ENGINE ARRANGEMENT
ENGINE ARBASIC ENGINE
CYLINDER BLOCK GPBASIC ENGINE
CYLINDER BLOCK GP#UEG0835S0001
4N-2250: ENGINE ARRANGEMENT
4N2250 ENGINE ARRANGEMENT--Part 1 of 2
3406 Engine Serial No. 70V1 to 70V4104 inclusive. Engine Serial No. 70V4105-Up--See
Vehicle Book. FOR 16G MOTOR GRADER SERIAL NO. 93U1 TO 93U1178 INCLUSIVE
NOTE: WHEN ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
3406 Engine Serial No. 70V1 to 70V4104 inclusive. Engine Serial No. 70V4105-Up--See
Vehicle Book. FOR 16G MOTOR GRADER SERIAL NO. 93U1 TO 93U1178 INCLUSIVE
NOTE: WHEN ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
For full view, you need register
#UEG0835S0002
4N-2250: ENGINE ARRANGEMENT
4N2250 ENGINE ARRANGEMENT--Part 2 of 2
3406 Engine Serial No. 70V1 to 70V4104 inclusive. Engine Serial No. 70V4105-Up--See
Vehicle Book. FOR 16G MOTOR GRADER SERIAL NO. 93U1 TO 93U1178 INCLUSIVE
NOTE: WHEN ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
3406 Engine Serial No. 70V1 to 70V4104 inclusive. Engine Serial No. 70V4105-Up--See
Vehicle Book. FOR 16G MOTOR GRADER SERIAL NO. 93U1 TO 93U1178 INCLUSIVE
NOTE: WHEN ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
For full view, you need register
#UEG0835S0003
4N-2252: ENGINE AR
4N2252 ENGINE ARRANGEMENT--Part 1 of 2
3406 Engine Serial No. 70V1 to 70V10345 inclusive. Engine Serial No.
70V10346-Up--See Vehicle Book. FOR 621B AND 623B TRACTORS SERIAL NO.
45P1 TO 45P1601 INCLUSIVE AND 46P1 TO 46P1601 INCLUSIVE. NOTE: WHEN
ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
3406 Engine Serial No. 70V1 to 70V10345 inclusive. Engine Serial No.
70V10346-Up--See Vehicle Book. FOR 621B AND 623B TRACTORS SERIAL NO.
45P1 TO 45P1601 INCLUSIVE AND 46P1 TO 46P1601 INCLUSIVE. NOTE: WHEN
ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
For full view, you need register
Parts for your 621B WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 4N-0741 Y | [1] | CRANKSHAFT GROUP | ||
| 4N-0758 Y | [6] | CONNECTING ROD AND PISTON GROUP | ||
| -OR- | ||||
| 7N-3519 Y | [6] | CONNECTING ROD AND PISTON GROUP | ||
| 4N-0961 Y | [1] | CAMSHAFT GROUP | ||
| -OR- | ||||
| 6N-1406 Y | [1] | CAMSHAFT GROUP | ||
| -OR- | ||||
| 6N-4992 Y | [1] | CAMSHAFT GROUP | ||
| 4N-2257 RY | [1] | CYLINDER BLOCK GROUP | ||
| 9N-0684 Y | [1] | CYLINDER BLOCK COVER GROUP | ||
| 4N-0744 Y | [1] | LIFTING EYE GROUP | ||
| 4N-2260 RY | [1] | CYLINDER HEAD GROUP | ||
| 4N-2271 Y | [1] | VALVE MECHANISM GROUP | ||
| Y | [1] | VALVE MECHANISM COVER GROUP | ||
| 4N-1560 Y | [1] | RUBBER DAMPER GROUP | ||
| SERIAL NO. 70V3167-UP | ||||
| 4N-2264 Y | [1] | FRONT ACCESSORY DRIVE GROUP | ||
| 4N-2273 Y | [1] | TRUNNION GROUP | ||
| 4N-2276 Y | [1] | SUPPORT GROUP | ||
| 4N-2276 Y | [1] | SUPPORT GROUP | ||
| 4N-2287 Y | [1] | FAN DRIVE GROUP | ||
| SERIAL NO. 70V1 TO 70V3166 INCLUSIVE | ||||
| SEE 621B & 623B TRACTOR BOOK FOR FAN DRIVE | ||||
| 4N-2713 Y | [1] | BELT TIGHTENER GROUP | ||
| SERIAL NO. 70V1 TO 70V3166 INCLUSIVE | ||||
| SEE 621B & 623B TRACTOR BOOK FOR BELT | ||||
| TIGHTENER | ||||
| 4N-3911 Y | [1] | FRONT HOUSING GROUP | ||
| 4N-4160 Y | [1] | PULLEY AND DAMPER GROUP | ||
| SERIAL NO. 70V1 TO 70V3166 INCLUSIVE | ||||
| 4N-4965 Y | [1] | FRONT HOUSING COVER GROUP | ||
| 4N-6006 Y | [1] | FRONT HOUSING FASTENER GROUP | ||
| 4N-0732 Y | [1] | FLYWHEEL HOUSING GROUP | ||
| -OR- | ||||
| 8N-5941 Y | [1] | FLYWHEEL HOUSING GROUP | ||
| 4N-1074 Y | [1] | FLYWHEEL GROUP | ||
| -OR- | ||||
| 7N-9651 Y | [1] | FLYWHEEL GROUP | ||
| 4N-4792 Y | [1] | FLYWHEEL HOUSING COVER GROUP | ||
| 4N-0771 Y | [1] | OIL PAN GROUP | ||
| 2N-8220 Y | [1] | BREATHER GROUP | ||
| 4N-0733 RY | [1] | OIL PUMP GROUP | ||
| 4N-2481 Y | [1] | OIL PUMP MOUNTING FASTENER GROUP | ||
| 4N-2738 Y | [1] | FUMES DISPOSAL GROUP | ||
| 4N-8121 Y | [1] | OIL FILLER GROUP | ||
| 4N-8733 Y | [1] | OIL LINES GROUP | ||
| 4N-8812 Y | [1] | OIL LEVEL GAUGE GROUP | ||
| R | REMFG PART MAY BE AVAILABLE | |||
| Y | SEPARATE ILLUSTRATION | |||
#UEG0835S0004
4N-2252: ENGINE AR
4N2252 ENGINE ARRANGEMENT--Part 2 of 2
3406 Engine Serial No. 70V1 to 70V10345 inclusive. Engine Serial No.
70V10346-Up--See Vehicle Book. FOR 621B AND 623B TRACTORS SERIAL NO.
45P1 TO 45P1601 INCLUSIVE AND 46P1 to 46P1601 INCLUSIVE. NOTE: WHEN
ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
3406 Engine Serial No. 70V1 to 70V10345 inclusive. Engine Serial No.
70V10346-Up--See Vehicle Book. FOR 621B AND 623B TRACTORS SERIAL NO.
45P1 TO 45P1601 INCLUSIVE AND 46P1 to 46P1601 INCLUSIVE. NOTE: WHEN
ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
For full view, you need register
Parts for your 621B WHEEL TRACTOR:
CATERPILLAR SIS| Pos. | Part No | Qty | Parts name | Comments |
|---|---|---|---|---|
| 4N-0729 Y | [1] | OIL COOLER GROUP | ||
| 4N-1641 Y | [1] | WATER LINES GROUP | ||
| 4N-3006 Y | [1] | WATER PUMP GROUP | ||
| -OR- | ||||
| 9N-3288 Y | [1] | WATER PUMP GROUP | ||
| 4N-2275 Y | [1] | AIR COMPRESSOR GROUP | ||
| -OR- | ||||
| 7N-6294 Y | [1] | AIR COMPRESSOR GROUP | ||
| 4N-2284 Y | [1] | AIR LINES GROUP | ||
| 4N-2474 Y | [1] | AFTERCOOLER WATER LINES GROUP | ||
| 4N-4555 Y | [1] | TURBOCHARGER GROUP | ||
| 4N-9010 Y | [1] | AFTERCOOLER GROUP | ||
| 4N-9610 Y | [1] | AIR COMPRESSOR LINES GROUP | ||
| SERIAL NO. 70V1 TO 70V1493 INCLUSIVE | ||||
| -OR- | ||||
| 4N-2285 Y | [1] | AIR COMPRESSOR LINES GROUP | ||
| SERIAL NO. 70V1494 TO 70V2763 INCLUSIVE | ||||
| -OR- | ||||
| 9L-6971 Y | [1] | AIR COMPRESSOR LINES GROUP | ||
| SERIAL NO. 70V2764-UP | ||||
| 9N-0013 Y | [1] | TURBOCHARGER OIL LINES GROUP | ||
| 9N-0022 Y | [1] | EXHAUST MANIFOLD GROUP | ||
| 4N-1210 Y | [1] | FUEL RATIO CONTROL GROUP | ||
| 4N-1662 Y | [1] | FUEL INJECTION LINES GROUP | ||
| SERIAL NO. 70V1 TO 70V6281 INCLUSIVE | ||||
| -OR- | ||||
| 8N-0304 Y | [1] | FUEL INJECTION LINES GROUP | ||
| SERIAL NO. 70V6282-UP | ||||
| 4N-1981 Y | [1] | FUEL FILTER GROUP | ||
| 4N-2292 Y | [1] | FUEL FILTER LINES GROUP | ||
| 4N-3064 Y | [1] | TACHOMETER DRIVE GROUP | ||
| 4N-3287 Y | [1] | FUEL PRIMING PUMP GROUP | ||
| SERIAL NO. 70V1 TO 70V1493 INCLUSIVE | ||||
| 4N-3949 Y | [1] | FUEL TRANSFER PUMP GROUP | ||
| 4N-3950 Y | [1] | GOVERNOR AND FUEL PUMP DRIVE GROUP | ||
| -OR- | ||||
| 4N-8008 Y | [1] | GOVERNOR AND FUEL PUMP DRIVE GROUP | ||
| 4N-7935 Y | [1] | FUEL FILTER COVER GROUP | ||
| SERIAL NO. 70V1 TO 70V3611 INCLUSIVE | ||||
| 6N-1822 Y | [1] | GOVERNOR & FUEL INJECTION PUMP GROUP | ||
| 4N-1062 Y | [1] | ELECTRIC STARTING MOTOR GROUP | ||
| SERIAL NO. 70V1 TO 70V3166 INCLUSIVE | ||||
| SEE 621B & 623B TRACTOR BOOK FOR MOTOR | ||||
| 4N-2286 Y | [1] | ALTERNATOR GROUP | ||
| SERIAL NO. 70V1 TO 70V3166 INCLUSIVE | ||||
| SEE 621B & 623B TRACTOR BOOK FOR ALTERNATOR | ||||
| 4N-1395 Y | [1] | GLOW PLUG GROUP | ||
| 4N-3900 Y | [1] | COOLANT FLOW SWITCH GROUP | ||
| Y | SEPARATE ILLUSTRATION | |||
#UEG0835S0005
4N-2255: ENGINE AR
4N2255 ENGINE ARRANGEMENT--Part 1 of 2
3406 Engine Serial No. 70V1 to 70V3573 inclusive. Engine Serial No. 70V3574-Up--See
Vehicle Book. FOR 245 EXCAVATOR SERIAL NO. 95V1 TO 95V470 INCLUSIVE
NOTE: WHEN ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
3406 Engine Serial No. 70V1 to 70V3573 inclusive. Engine Serial No. 70V3574-Up--See
Vehicle Book. FOR 245 EXCAVATOR SERIAL NO. 95V1 TO 95V470 INCLUSIVE
NOTE: WHEN ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
For full view, you need register
#UEG0835S0006
4N-2255: ENGINE AR
4N2255 ENGINE ARRANGEMENT--Part 2 of 2
3406 Engine Serial No. 70V1 to 70V3573 inclusive. Engine Serial No. 70V3574-Up--See
Vehicle Book. FOR 245 EXCAVATOR SERIAL NO. 95V1 TO 95V470 INCLUSIVE
NOTE: WHEN ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
3406 Engine Serial No. 70V1 to 70V3573 inclusive. Engine Serial No. 70V3574-Up--See
Vehicle Book. FOR 245 EXCAVATOR SERIAL NO. 95V1 TO 95V470 INCLUSIVE
NOTE: WHEN ORDERING PARTS GIVE ENGINE ARRANGEMENT AND SERIAL NUMBER
For full view, you need register
#UEG0835S0007
4N-2257: CYLINDER BLOCK GP
4N2257 CYLINDER BLOCK GROUP
Serial No. 70V1 to 70V724 inclusive. 4N7645 Block parts are shown on Page 12B
Refer also to Page 22B for special parts
Serial No. 70V1 to 70V724 inclusive. 4N7645 Block parts are shown on Page 12B
Refer also to Page 22B for special parts
For full view, you need register
Parts for your 621B WHEEL TRACTOR:
CATERPILLAR SIS#UEG0835S0008
4N-2257: CYLINDER BLOCK GP
4N2257 CYLINDER BLOCK GROUP
Serial No. 70V725 to 70V2829 and 70V2838 inclusive. 6N1008 Block parts are
shown on Pages 13 and 13A. Refer also to Page 22B for special parts
Serial No. 70V725 to 70V2829 and 70V2838 inclusive. 6N1008 Block parts are
shown on Pages 13 and 13A. Refer also to Page 22B for special parts
For full view, you need register
Parts for your 621B WHEEL TRACTOR:
CATERPILLAR SIS#UEG0835S0009
4N-2257: CYLINDER BLOCK GP
4N2257 CYLINDER BLOCK GROUP
Serial No. 70V2830 to 70V2837 and 70V2839 to 70V3144 inclusive. 6N9903 Block
parts are shown on Page 13B. Refer also to Page 22B for special parts
Serial No. 70V2830 to 70V2837 and 70V2839 to 70V3144 inclusive. 6N9903 Block
parts are shown on Page 13B. Refer also to Page 22B for special parts
For full view, you need register
