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621B TRACTOR 45P00001-02711 (MACHINE) FRAME AND BODY Caterpillar SIS



WHEEL TRACTOR 621B WHEEL TRACTOR 45P
 621B TRACTOR 45P00001-02711 (MACHINE) UEG0807S 621B 45P   (1973)

Parts group 621B:

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FRAME AND BODY
BUMPER GP
BUMPER GP-FRONT
8D-7800 BUMPER GP-FRONT
8D7800 FRONT BUMPER GROUP
CASE & FRAME GP
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 1 of 3
Serial No. 45P1 to 45P1168 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 2 of 3
Serial No. 45P1 to 45P1168 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 3 of 3
Serial No. 45P1 to 45P1168 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 1 of 3
Serial No. 45P1169 to 45P1280 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 2 of 3
Serial No. 45P1169 to 45P1280 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 3 of 3
Serial No. 45P1169 to 45P1280 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 1 of 3
Serial No. 45P1281 to 45P1416, 45P1419 and 45P1420 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 2 of 3
Serial No. 45P1281 to 45P1416, 45P1419 and 45P1420 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 3 of 3
Serial No. 45P1281 to 45P1416, 45P1419 and 45P1420 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 1 of 3
Serial No. 45P1417, 1418, 1421 to 1424, 1426, 1428 to 1434, 1436 to 1444, 1446, 1448
to 1463, 1465 to 1480, 1482, 1483, 1488, 1489, 1491 and 45P1494 to 45P1498 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 2 of 3
Serial No. 45P1417, 1418, 1421 to 1424, 1426, 1428 to 1434, 1436 to 1444, 1446, 1448
to 1463, 1465 to 1480, 1482, 1483, 1488, 1489, 1491 and 45P1494 to 45P1498 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 3 of 3
Serial No. 45P1417, 1418, 1421 to 1424, 1426, 1428 to 1434, 1436 to 1444, 1446, 1448
to 1463, 1465 to 1480, 1482, 1483, 1488, 1489, 1491 and 45P1494 to 45P1498 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 1 of 3
Serial No. 45P1499, 1501, 1503, 1505 to 1509, 1511, 1512, 1516, 1519, 1526, 1527,
1533, 1534, 1536, 1537, 1539, 1541, 1542, 1545, 1547, 1549 and 45P1552 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 2 of 3
Serial No. 45P1499, 1501, 1503, 1505 to 1509, 1511, 1512, 1516, 1519, 1526, 1527,
1533, 1534, 1536, 1537, 1539, 1541, 1542, 1545, 1547, 1549 and 45P1552 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 3 of 3
Serial No. 45P1499, 1501, 1503, 1505 to 1509, 1511, 1512, 1516, 1519, 1526, 1527,
1533, 1534, 1536, 1537, 1539, 1541, 1542, 1545, 1547, 1549 and 45P1552 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 1 of 3
Serial No. 45P1425, 1427, 1435, 1445, 1447, 1464, 1481, 1484 to 1487, 1490, 1492,
1493, 1500, 1502, 1504, 1510, 1513 to 1515, 1517, 1518. 1520 to 1525, 1528 to 1532, 1535,
1538, 1540, 1543, 1544, 1546, 1548, 1550, 1551, 1553 to 1951, 1954 and 45P1960 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 2 of 3
Serial No. 45P1425, 1427, 1435, 1445, 1447, 1464, 1481, 1484 to 1487, 1490,
1492, 1493,
1500, 1502, 1504, 1510, 1513 to 1515, 1517, 1518, 1520 to 1525, 1528 to 1532, 1535, 1538,
1540, 1543, 1544, 1546, 1548, 1550, 1551, 1553 to 1951, 1954 and 45P1960 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8d8220 FRAME AND CASE GROUP--Part 3 of 3
Serial No. 45P1425, 1427, 1435, 1445, 1447, 1464, 1481, 1484 to 1487, 1490, 1492, 1493,
1500, 1502, 1504, 1510, 1513 to 1515, 1517, 1518, 1520 to 1525, 1528 to 1532, 1535, 1538,
1540, 1543, 1544, 1546, 1548, 1550, 1551, 1553 to 1951, 1954 and 45P1960 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 1 of 3
Serial No. 45P1952, 45P1953, 45P1955 to 45P1959 and 45P1961 to 45P1984 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 2 of 3
Serial No. 45P1952, 45P1953, 45P1955 to 45P1959 and 45P1961 to 45P1984 inclusive
Note: For Field Replacement of 2G7925 Cover Assembly order 2G7941 shown on Page 70A
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8S8220 FRAME AND CASE GROUP--Part 3 of 3
Serial No. 45P1952, 45P1953, 45P1955 to 45P1959 and 45P1961 to 45P1984 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 1 of 3
Serial No. 45P1985 to 45P1988 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 2 of 3
Serial No. 45P1985 and 45P1988 inclusive
Note: For Field Replacement of 2G7925 Cover Assembly order 2G7941 shown on Page 70A
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 3 of 3
Serial No. 45P1985 to 45P1988 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 1 of 3
Serial No. 45P1989 to 45P2371 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 2 of 3
Serial No. 45P1989 to 45P2371 inclusive
Note: For Replacement of 2G7925 Cover Assembly order 2G7941 shown on Page 70A
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 3 of 3
Serial No. 45P1989 to 45P2371 inclusive
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 1 of 3
Serial No. 45P2372-Up
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 2 of 3
Serial No. 45P2372-Up
CASE & FRAME GP
8D-8220 CASE & FRAME GP
8D8220 FRAME AND CASE GROUP--Part 3 of 3
Serial No. 45P2372-Up
DOOR GP
DOOR GP-HOOD SIDE
9D-6010 DOOR GP-HOOD SIDE
9D6010 HOOD SIDE DOOR GROUP--R.H.--Type 1
AN ATTACHMENT
DOOR GP-HOOD SIDE
9D-6010 DOOR GP-HOOD SIDE
9D6010 HOOD SIDE DOOR GROUP--R.H.--Type 2
AN ATTACHMENT
FENDER GP
FENDER GP
8D-6906 FENDER GP
8D6906 FENDERS GROUP
Serial No. 45P1 to 45P1987 inclusive
FENDER GP
8D-6906 FENDER GP
8D6906 FENDERS GROUP
Serial No. 45P1988 to 45P2002 inclusive
FENDER GP
8D-6906 FENDER GP
8D6906 FENDERS GROUP
Serial No. 45P2003 to 45P2353 inclusive
FENDER GP
8D-6906 FENDER GP
8D6906 FENDER GROUP
Serial No. 45P2354-Up
GUARD GP
RADIATOR GUARD GROUP
8D-7760 RADIATOR GUARD GROUP
8D7760 RADIATOR GUARD GROUP
Serial No. 45P1 to 45P1984 inclusive
RADIATOR GUARD GROUP
8D-7760 RADIATOR GUARD GROUP
8D7760 RADIATOR GUARD GROUP
Serial No. 45P1985-Up
GUARD GP-CRANKCASE
8D-7170 GUARD GP-CRANKCASE
8D7170 CRANKCASE GUARD GROUP
Serial No. 45P1 to 45P1573 and 45P1578 inclusive
GUARD GP-CRANKCASE
8D-7170 GUARD GP-CRANKCASE
8D7170 CRANKCASE GUARD GROUP
Serial No. 45P1574 to 1577, 1579 to 1841, 1843, 1846 to 1853, 1858 to 1861, 1866, 1870
to 1872, 1874, 1876, 1877, 1879, 1881, 1882, 1884, 1886, 1888, 1891, 1893 to 1895,
1897, 1903, 1912, 1913, 1915, 1925, 1926, 1936, 1940, 1942, 1949, 1965 & 45P1978
to 45P1980 inclusive
GUARD GP-CRANKCASE
8D-7170 GUARD GP-CRANKCASE
8D7170 CRANKCASE GUARD GROUP
Serial No. 45P1842, 1844, 1845, 1854 to 1857, 1862 to 1865, 1867 to 1869, 1873,
1875, 1878, 1880, 1883, 1885, 1887, 1889, 1890, 1892, 1896, 1898 to 1902, 1904 to 1911,
1914, 1916 to 1924, 1927 to 1935, 1937 to 1939, 1941, 1943 to 1948, 1950 to 1964, 1966
to 1977 and 45P1981-Up
GUARD GP-POWER TRAIN
9D-2950 GUARD GP-POWER TRAIN
9D2950 POWER TRAIN GUARD GROUP
AN ATTACHMENT
HITCH GP
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
8J7680 CUSHION HITCH GROUP--Part 1 of 2
Serial No. 45P1 to 45P981 inclusive
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
8J7680 CUSHION HITCH GROUP--Part 2 of 2
Serial No. 45P1 to 45P981 inclusive
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
8J7680 CUSHION HITCH GROUP--Part 1 of 2
Serial No. 45P982 to 45P1673 inclusive
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
8J7680 CUSHION HITCH GROUP--Part 2 of 2
Serial No. 45P982 to 45P1673 inclusive
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
8J7680 CUSHION HITCH GROUP--Part 1 of 2
Serial No. 45P1674 to 45P1992 inclusive
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
8J7680 CUSHION HITCH GROUP--Part 2 of 2
Serial No. 45P1674 to 45P1992 inclusive
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
8J7680 CUSHION HITCH GROUP--Part 1 of 2
Serial No. 45P1993 to 2070, 2072 to 2112, 2114, 2116 to 2120, 2123, 2125 to
2133, 2135, 2137, 2139, 2140, 2142 & 45P2143 inclusive
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
8J7680 CUSHION HITCH GROUP--Part 2 of 2
Serial No. 45P1993 to 2070, 2072 to 2112, 2114, 2116 to 2120, 2123, 2125 to
2133, 2135, 2137, 2139, 2140, 2142 & 45P2143 inclusive
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
8J7680 CUSHION HITCH GROUP--Part 1 of 2
Serial No. 45P2071, 2113, 2115, 2121, 2122, 2124, 2134, 2136, 2138, 2141
& 45P2144 to 45P2340 inclusive
HITCH GP-CUSHION
8J-7680 HITCH GP-CUSHION
8J7680 CUSHION HITCH GROUP--Part 2 of 2
Serial No. 45P2071, 2113, 2115, 2121, 2122, 2124, 2134, 2136, 2138, 2141
and 45P2144 to 45P2340 inclusive
HITCH GP-CUSHION
3G-7777 HITCH GP-CUSHION
3G7777 CUSHION HITCH GROUP--Part 1 of 2
Serial No. 45P2341-Up
HITCH GP-CUSHION
3G-7777 HITCH GP-CUSHION
3G7777 CUSHION HITCH GROUP--Part 2 of 2
Serial No. 45P2341-Up
HOOD GP
SHIELD GP-ENGINE COMPARTMENT
6G-7230 SHIELD GP-ENGINE COMPARTMENT
6G7230 ENGINE COMPARTMENT SHIELD GROUP--Field Installation
Note: PROVIDES A BARRIER AROUND HOT ENGINE SURFACES
HOOD GP
8D-7780 HOOD GP
8D7780 HOOD GROUP
Serial No. 45P1 to 45P1088 inclusive
HOOD GP
8D-7780 HOOD GP
8D7780 HOOD GROUP
Serial No. 45P1089-Up
LINES GP
LINES GP-LUBRICATION
3G-6661 LINES GP-LUBRICATION
3G6661 CENTRAL LUBRICATION LINES GROUP
Serial No. 45P1989 to 45P2355 inclusive
LINES GP-LUBRICATION
3G-6661 LINES GP-LUBRICATION
3G6661 CENTRAL LUBRICATION LINES GROUP
Serial No. 45P2356-Up
LUBRICATION GP
LINES GP-LUBRICATION
3G-6661 LINES GP-LUBRICATION
3G6661 CENTRAL LUBRICATION LINES GROUP
Serial No. 45P1989 to 45P2355 inclusive
LINES GP-LUBRICATION
3G-6661 LINES GP-LUBRICATION
3G6661 CENTRAL LUBRICATION LINES GROUP
Serial No. 45P2356-Up
WHEEL GP
WHEEL GP
8D-9072 WHEEL GP
8D9072 WHEEL GROUP--762 mm (29.5 in.) x 889 mm (35 in.) Tubeless Tires
Note: Quantities shown are those required for both R.H. and L.H. sides
AN ATTACHMENT
WHEEL GP
2G-9115 WHEEL GP
2G9115 WHEEL GROUP--635 mm (25.00 in.) x 889 mm (35 in.)
AN ATTACHMENT
TREAD GP-NON-SKID
TREAD GP-NON-SKID
8D-8180 TREAD GP-NON-SKID
8D8180 SAFETY TREAD GROUP

Information:

(For parts list, see above)

Special Instruction
Installation Of Replacement Axle Housings On Tractor-Scrapers{3260}
Installation Of Replacement Axle Housings On Tractor-Scrapers{3260}
Service Letter-NACD
The Axle Housings Need To Be Replaced On Certain OEM Manufactured Steel Mill Vehicles
The Axle Housings Need To Be Replaced On Certain OEM Manufactured Steel Mill Vehicles
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Service Letter-China
Service Letter-Asia
Service Letter-APD
Disassembly and Assembly
Axle Housing
621B & 623B TRACTORS POWER TRAIN
Axle Housings (621B Scraper)
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Service Magazine
Conversion Of Earlier Axle Housings To New Stronger Design{3260,4002,4051,0665}
1982/08/23
Method To Put Lubricant On Brake Camshaft Bearing Changed{4269,4251,4261,4051,3260}
1978/12/18
New Axle Housing And Hub Used In Final Drive And Wheel Group{4051,4054}
1990/09/24
Special Instruction
Battery Ratings And Cross Reference Chart{1401}
Battery Ratings And Cross Reference Chart{1401}
Service Magazine
Maintenance Free Batteries{1401}
1986/03/10
Requirements For Shipping Wet Batteries In The U.S.{1401,7500}
1986/04/07
Heavy-Duty Line Of Batteries Available To U.S. Dealers{1400,1401}
1986/09/01
Safety Vent Caps For Caterpillar Batteries{1401}
1977/07/11
5P957 And 5P3514 Coolant And Battery Tester{0786,1395,1401}
1987/03/23
Alternator/Generator Output Test On The Engine{1401,1404,1405,1406}
1987/05/04
Testing The Starter On The Engine{1401,1450}
1987/05/04
Stronger Battery Box{7257}
1978/08/21
Revised Instructions For Installation of New Maintenance Free Batteries{1401,1400}
1988/12/12
Voltage Regulator Can Cause Variable Ammeter Indications{1410,1401,1405,1406,7467}
1979/10/22
Two Plug Assemblies (Booster Cables) Are Available To Start Machines{1401,1453}
1979/11/05
Batteries Can Be Damaged If Too Much Vacuum Is Used During Electrolyte Fill{1401}
1979/11/26
High Performance Maintenance Free Battery Available{1401}
1989/01/16
Limitations On Engine Cranking Time{1453,1401}
1989/03/27
Preventive Maintenance For Batteries{1401}
1989/03/27
Causes And Effects Of Low Battery Voltage On Electric Starters{1401,1453,1467}
1989/04/24
Procedure For Replacing Batteries Or Battery Cables {1401,1402,1411}
1989/05/01
Procedure For Replacing Batteries, Battery Cables Or Disconnect Switches {1401,1402,1411}
1989/05/01
Procedure For Replacing Batteries, Battery Cables Or Disconnect Switches {1401,1402,1411}
1989/05/01
Special Instruction, "Battery Charging Rate And Time Tables," Available On Oil Resistant Paper{0374,1401}
1989/06/19
Torque Check Necessary For Front Support Bracket Bolts When Damper And Pulley Are Removed {1153}
1996/05/13
Specifications
Front Bumper
621B TRACTOR POWER TRAIN
Service Magazine
New Design Steps To Operator's Compartment And Engine Service Platform{7154,7254}
1977/11/28
Specifications
Case and Frame Group
621B TRACTOR POWER TRAIN
Service Magazine
New Differential Thrust Pin Can Be Adjusted From Outside The Case{3258,3280,4051,4059,7051}
1982/11/08
Polarity Connections And Use Of Service Meter Films When Service Meter Kits Are Installed{7480,7000}
1987/02/16
Disassembly and Assembly
Hood
3406 VEHICULAR ENGINE FOR 621B & 623B TRACTORS
Service Magazine
Proper Maintenance Improves Performance of Lock Cylinders {0645, 7273, 7308}
Proper Maintenance Improves Performance of Lock Cylinders {0645, 7273, 7308}
Fender Bracket Assemblies Changed To Permit Easier Removal And Installation Of Brake Actuators{7252,4262}
1983/08/08
Specifications
Draft Frame
621B & 627B SCRAPERS HYDRAULIC SYSTEM
Reuse And Salvage Guidelines
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7107}
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7107}
Disassembly and Assembly
Tractor And Scraper
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Draft Frame And Cushion Hitch Assembly Vertical Bearings
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Service Magazine
New Differential Thrust Pin Can Be Adjusted From Outside The Case{3258,3280,4051,4059,7051}
1982/11/08
New Engine Mount Keeps Forces Caused From Engine Side-To-Side Movement Away From The Frame Of The Vehicle{1152}
1977/03/21
2G2827 Block Assembly Gives Support To Hitch During Tractor-Scraper Separation{0640,0643,3258,4059,7100}
1977/11/07
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}
Specifications
Crankcase Guards
621B TRACTOR POWER TRAIN
Disassembly and Assembly
Crankcase Guards
3406 VEHICULAR ENGINE FOR 621B & 623B TRACTORS
Service Magazine
Install New Damper Assemblies During Assembly Of Radiator And Guard {1353,1381}
1980/09/22
New Spacers Used In Crankcase Guard Group{7151}
1984/01/30
Special Instruction
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{7100}
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{7100}
Replacing the 8D3483 Hitch Bracket{3283}
Replacing the 8D3483 Hitch Bracket{3283}
Installation Of Cushion Hitch Bracket And Hitch Bearings{7107}
Installation Of Cushion Hitch Bracket And Hitch Bearings{7107}
Service Letter-NACD
8W9515 Rear Horizontal Hitch Pins Need To Be Removed From Dealer Parts Stock
8W9515 Rear Horizontal Hitch Pins Need To Be Removed From Dealer Parts Stock
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Specifications
Hitch
621, 623 & 627 TRACTORS CUSHION-HITCH
Service Letter-China
8W9515 Rear Horizontal Hitch Pins Need To Be Removed From Dealer Parts Stock
8W9515 Rear Horizontal Hitch Pins Need To Be Removed From Dealer Parts Stock
Service Letter-Asia
Reuse And Salvage Guidelines
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7107}
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7107}
Service Letter-APD
8W9515 Rear Horizontal Hitch Pins Need To Be Removed From Dealer Parts Stock
8W9515 Rear Horizontal Hitch Pins Need To Be Removed From Dealer Parts Stock
Disassembly and Assembly
Cushion Hitch Hydraulic Pump
621B & 623B TRACTORS POWER TRAIN
Cushion Hitch And Push-Pull Hydraulic Oil Pump
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch Selector Valve
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch Control Valve
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch Load Cylinder
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Accumulator (Cushion Hitch)
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Tractor And Scraper
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Draft Frame And Cushion Hitch Assembly Vertical Bearings
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Horizontal Cushion Hitch Bearings
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Steering Link Assemblies
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch "H" Links And Bearings
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Service Magazine
New Clamps And Spacers Used On Cushion Hitch To Prevent Restriction In Air Lines{5057,4257,4304}
1980/06/16
Change Made To Cushion Hitch Lines Groups{5313,7107}
1980/06/23
Bracket And Hardware Added To Prevent Movement Of Accumulator Hose{5077,5057,7107}
1980/08/25
Inspection Procedure For Pin And Bushing Wear In Hitch Components And Steering Linkage{7109,7107,7106,4305,4303}
1980/09/29
Different Wrenches Are Necessary For Removal And Installation Of Nut On Horizontal Hitch Pins{0612,7107,7116}
1980/10/20
Improved Clamp Bars Hold Scraper Hydraulic Lines On Cushion Hitch{5057,5300}
1980/11/03
New Bleeder Tube Assembly For Cushion Hitch Accumulator{5077,7107}
1981/04/06
Remove Block Assemblies Used For Shipment{7505,7100,4059,3250}
1981/04/27
Larger Retainer Bolts Used To Hold Horizontal Pivot Pins In Cushion Hitch{7107,7110,7117}
1981/06/08
Reconditioning Stop Pads Can Prevent Damage To Cushion Hitch Components{7107}
1981/11/30
Hose Locations Changed To Prevent Contact With Hitch Components{4304,5057}
1982/02/22
Correct Installation Of 1U317 Control Valve Group For Cushion Hitch{5313,7107}
1982/05/24
New Seal And Retainer Used In Cushion Hitch Valve Group{5313}
1983/07/04
New Cushion-Hitch Pump Available{5050,5073,5300,5316}
1985/03/18
New Seal Used In Cushion-Hitch Selector Valve{5319}
1985/04/22
Larger Bolts Used In Hitch Control Group To Hold Accumulator Assembly For Cushion Hitch{5077,7107}
1977/01/17
New Socket For Installation And Removal Of Rear Hitch Pin{0612,7117}
1977/05/30
New Hose And Elbows Used In Cushion Hitch Lines Group{5057,7107}
1977/08/22
Bearing Puller Adapter Is Available For Removal And Installation Of Cushion Hitch Bearings{0621,0623,7107}
1977/09/12
2G2827 Block Assembly Gives Support To Hitch During Tractor-Scraper Separation{0640,0643,3258,4059,7100}
1977/11/07
Oversize Bearings Available For Cushion-Hitch Repair {7107,7109,7110}
1987/01/26
Central Lubrication System Now Used For Lower Cushion Hitch Pins And Horizontal Pivot Pins{7107,7116}
1978/03/20
Stronger Hose Assembly For Cushion Hitch Control Group{5057,7107}
1978/05/08
New Bolts (Self-Locking) And Hardened Washers Now Used In Cushion Hitch Group{7107}
1978/07/10
Special Oversize (Larger Than Standard Size) Replacement Bearings Available For Cushion Hitch Repair{7107}
1978/09/04
If Loose Bolts Are A Problem, A Modification Can Be Made To The Plate Used To Hold The Leveling Valve For The Cushion Hitch{5313,7107}
1979/04/30
Two New Elbows And Nipples Are Used In The Central Lubrication Lines For Cushion Hitches{7107,1300}
1979/05/14
New Locknut And Thread Lock Compound Used On Control Rod For Cushion Hitch Valve{5313,7107,5057}
1979/06/04
Change Made To Cushion Hitch Leveling Valve Group{5313}
1979/08/20
New Hitch Frame Assembly{7107}
1979/10/15
New Floating Pins Used In Cushion-Hitches{7107}
1989/01/23
Oversize Seals Available For Cushion-Hitch Repair{7107,7109,7110}
1989/02/27
Oversize Bearings And Seals Available For Cushion-Hitch Repair {7110}
1989/05/01
Correction to Service Magazine , "Inspection Procedure for Pin and Bushing Wear in Hitch Components and Steering Linkage for Wheel Tractor-Scrapers" {4305, 7106, 7107, 7108, 7109}
2000/05/15
Correction to the Service Magazine, "Oversize Bearings and Seals are Available for the Cushion Hitch Links Allow Rework of the Steering Links Without Welding" {7051, 7106, 7107}
2001/07/09
Oversize Bearings and Seals are Available for the Steering Links {7106, 7107}
2004/11/08
Shims Available To Compensate for Wear In Oscillating Hitch for Certain Wheel Tractor-Scrapers {7106, 7107}
2011/03/18
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}
Disassembly and Assembly
Hood
3406 VEHICULAR ENGINE FOR 621B & 623B TRACTORS
Service Magazine
Increased Clearance Between The Turbocharger Heat Shield And Turbocharger Oil Line Prevents Possible Contact Damage{1073,1307}
1978/09/18
Special Instruction
Installation Of Cable Access Steps{7254}
Installation Of Cable Access Steps{7254}
Service Magazine
New Design Steps To Operator's Compartment And Engine Service Platform{7154,7254}
1977/11/28
Two New Elbows And Nipples Are Used In The Central Lubrication Lines For Cushion Hitches{7107,1300}
1979/05/14
New Valve Lifter Assembly Provides Improved Lubrication Of Lifter Roller And Camshaft Lobes{1209,1210}
1994/06/20
Special Instruction
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{7100}
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{7100}
Replacing the 8D3483 Hitch Bracket{3283}
Replacing the 8D3483 Hitch Bracket{3283}
Installation Of 2G4553 Thrust Plate{4201, 4209}
Installation Of 2G4553 Thrust Plate{4201, 4209}
Installation Of Replacement Axle Housings On Tractor-Scrapers{3260}
Installation Of Replacement Axle Housings On Tractor-Scrapers{3260}
Installation Of Cable Access Steps{7254}
Installation Of Cable Access Steps{7254}
Service Letter-NACD
The Axle Housings Need To Be Replaced On Certain OEM Manufactured Steel Mill Vehicles
The Axle Housings Need To Be Replaced On Certain OEM Manufactured Steel Mill Vehicles
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
Service Letter-Americas
Service Letter-China
Service Letter-Asia
Service Letter-APD
Disassembly and Assembly
Cushion Hitch And Push-Pull Hydraulic Oil Pump
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch Selector Valve
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch Control Valve
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch Load Cylinder
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Accumulator (Cushion Hitch)
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Tractor And Scraper
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Draft Frame And Cushion Hitch Assembly Vertical Bearings
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Horizontal Cushion Hitch Bearings
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Steering Link Assemblies
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Cushion Hitch "H" Links And Bearings
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Wheel Assembly (621B Scraper)
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Tires And Wheels, Wheel Bearings And Duo-Cone Seals (621 Scraper)
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Axle Housings (621B Scraper)
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Service Magazine
Change Made To Cushion Hitch Lines Groups{5313,7107}
1980/06/23
Install New Damper Assemblies During Assembly Of Radiator And Guard {1353,1381}
1980/09/22
Inspection Procedure For Pin And Bushing Wear In Hitch Components And Steering Linkage{7109,7107,7106,4305,4303}
1980/09/29
Different Wrenches Are Necessary For Removal And Installation Of Nut On Horizontal Hitch Pins{0612,7107,7116}
1980/10/20
Remove Block Assemblies Used For Shipment{7505,7100,4059,3250}
1981/04/27
Larger Retainer Bolts Used To Hold Horizontal Pivot Pins In Cushion Hitch{7107,7110,7117}
1981/06/08
Reconditioning Stop Pads Can Prevent Damage To Cushion Hitch Components{7107}
1981/11/30
Hose Locations Changed To Prevent Contact With Hitch Components{4304,5057}
1982/02/22
New Differential Thrust Pin Can Be Adjusted From Outside The Case{3258,3280,4051,4059,7051}
1982/11/08
Fender Bracket Assemblies Changed To Permit Easier Removal And Installation Of Brake Actuators{7252,4262}
1983/08/08
New Cushion-Hitch Pump Available{5050,5073,5300,5316}
1985/03/18
New Seal Used In Cushion-Hitch Selector Valve{5319}
1985/04/22
New Engine Mount Keeps Forces Caused From Engine Side-To-Side Movement Away From The Frame Of The Vehicle{1152}
1977/03/21
New Socket For Installation And Removal Of Rear Hitch Pin{0612,7117}
1977/05/30
Bearing Puller Adapter Is Available For Removal And Installation Of Cushion Hitch Bearings{0621,0623,7107}
1977/09/12
2G2827 Block Assembly Gives Support To Hitch During Tractor-Scraper Separation{0640,0643,3258,4059,7100}
1977/11/07
New Design Steps To Operator's Compartment And Engine Service Platform{7154,7254}
1977/11/28
Bolt Torque Increased For Correct Wheel Bearing Adjustment{4208}
1987/01/19
Central Lubrication System Now Used For Lower Cushion Hitch Pins And Horizontal Pivot Pins{7107,7116}
1978/03/20
New Bolts (Self-Locking) And Hardened Washers Now Used In Cushion Hitch Group{7107}
1978/07/10
Stronger Battery Box{7257}
1978/08/21
Special Oversize (Larger Than Standard Size) Replacement Bearings Available For Cushion Hitch Repair{7107}
1978/09/04
Two Air Vents Added To Operator's Compartment{7301,7253}
1978/09/11
Two New Elbows And Nipples Are Used In The Central Lubrication Lines For Cushion Hitches{7107,1300}
1979/05/14
New Locknut And Thread Lock Compound Used On Control Rod For Cushion Hitch Valve{5313,7107,5057}
1979/06/04
Change Made To Cushion Hitch Leveling Valve Group{5313}
1979/08/20
New Hitch Frame Assembly{7107}
1979/10/15
Coolant Now Used In Wheels To Prevent Burned Tire Beads And Possible Tire Explosion{4201}
1979/12/17
New Floating Pins Used In Cushion-Hitches{7107}
1989/01/23
Oversize Seals Available For Cushion-Hitch Repair{7107,7109,7110}
1989/02/27
New Axle Housing And Hub Used In Final Drive And Wheel Group{4051,4054}
1990/09/24
New Valve Lifter Assembly Provides Improved Lubrication Of Lifter Roller And Camshaft Lobes{1209,1210}
1994/06/20
Reuse And Salvage Guidelines
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7107}
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7107}
Service Magazine
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}
Reuse And Salvage Guidelines
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7107}
Rebuilding Wheel Tractor-Scraper Hitches, Brackets, and Scraper Kingbolt Housings{6207, 6245, 7051, 7107}
Service Magazine
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}
Special Instruction
Assembly and Installation of Inverted Duo-Cone Seals{7561}
Assembly and Installation of Inverted Duo-Cone Seals{7561}
Service Magazine
Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02
Tool Operating Manual
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1259: 469-7632 Swing Gearbox Lifting Tool for 6015-6090 Hydraulic Mining Shovel {0629, 7000}
NEHS1259: 469-7632 Swing Gearbox Lifting Tool for 6015-6090 Hydraulic Mining Shovel {0629, 7000}
Service Magazine
2G2827 Block Assembly Gives Support To Hitch During Tractor-Scraper Separation{0640,0643,3258,4059,7100}
1977/11/07
Special Instruction
Installation Of 2G4553 Thrust Plate{4201, 4209}
Installation Of 2G4553 Thrust Plate{4201, 4209}
Specifications
Adjustment of the Wheel Bearings
621B TRACTOR POWER TRAIN
Disassembly and Assembly
Wheels
621B & 623B TRACTORS POWER TRAIN
Wheel Bearings And Seals
621B & 623B TRACTORS POWER TRAIN
Wheel Assembly (621B Scraper)
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Tires And Wheels, Wheel Bearings And Duo-Cone Seals (621 Scraper)
621 B & 627B TRACTOR-SCRAPER VEHICLE SYSTEMS
Service Magazine
A Complete Tire Valve Group Must Be Ordered For Parts Replacement Of A Tire Valve Body{4202}
1980/01/21
Bolt Torque Increased For Correct Wheel Bearing Adjustment{4208}
1987/01/19
Coolant Now Used In Wheels To Prevent Burned Tire Beads And Possible Tire Explosion{4201}
1979/12/17
Tool Operating Manual
Assembly of 175-5507 and 361-3889 Nitrogen Charging Groups and 175-7410 Auxiliary Fitting Group{0647, 7200}
Assembly of 175-5507 and 361-3889 Nitrogen Charging Groups and 175-7410 Auxiliary Fitting Group{0647, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
NEHS1214: 455-0126 Nitrogen Booster Pump Group {0374, 0599, 0647, 0756, 4263, 4331, 5077, 7200}
Service Magazine
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}
Cushion Hitch Rebuild Kits for Wheel Tractor-Scrapers are Available in the Service Information System (SIS) {6207, 6245, 7051, 7100, 7107}

Truck sale:

Caterpillar 621B
 
Caterpillar 621B
- Road Scraper
MACALLISTER MACHINERY CO., INC
Caterpillar 621B
 
Caterpillar 621B
- Road Scraper
MACALLISTER MACHINERY CO., INC
Caterpillar 621B
 
Caterpillar 621B
- Road Scraper
FINNING CANADA
Caterpillar 621B, Road Scraper, Construction
46,500 
Caterpillar 621B, Road Scraper, Construction
- Road Scraper
QUINN COMPANY
Caterpillar 621B, Road Scraper, Construction
46,500 
Caterpillar 621B, Road Scraper, Construction
- Road Scraper
QUINN COMPANY
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