8X-1593 CHASSIS AR S/N 2PD1011-99999 PART OF 8X-1592 GENERAL AR-TRACTOR 621E WHEEL TRACTOR

Part No	Qty	Parts name
5T-1584 Y	[1]	AIR DRYER GP
8W-7601 Y	[1]	CASE & FRAME GP
5T-1276 Y	[1]	COMPARTMENT GP-OPERATOR
8W-3414 Y	[1]	CONTROL & MTG GP-NEUTRAL START
5T-0744 Y	[1]	CONTROL & MTG GP-TRANSMISSION
5T-0670 Y	[1]	CONTROL GP-DIFFERENTIAL LOCK
5T-1274 Y	[1]	CONTROL GP-GOVERNOR
5T-1275 Y	[1]	CONTROL GP-HITCH
5T-1270 Y	[1]	CONTROL GP-SERVICE BRAKE
5T-0650 Y	[1]	CONTROL GP-STEERING
5T-1430 Y	[1]	CONTROL GP-TRAILING UNIT
8W-2209 Y	[1]	CONTROL GP-TRANSMISSION
5T-0734 Y	[1]	DASH GP
5T-1279 Y	[1]	FENDER GP
5T-0740 Y	[1]	GAUGE GP-CLUSTER
8W-7574 Y	[1]	GUARD GP-CRANKCASE
8X-1613 Y	[1]	GUARD GP-RADIATOR
8X-1612 Y	[1]	HOOD GP
5T-1282 Y	[1]	HORN GP-AIR
5T-4298 Y	[1]	INDICATOR GP-AIR FILTER CHANGE
5T-5044 Y	[1]	LADDER GP
5T-1283 Y	[1]	LINES GP-FUEL
5T-1630 Y	[1]	LINES GP-STEERING
5T-0741 Y	[1]	MIRROR GP-REAR VIEW
5T-0720 Y	[1]	MONITOR & MOUNTING GP
5T-1582 Y	[1]	OIL CHANGE GP-HIGH SPEED
Y	[1]	PLATE & FILM GP
8W-9428 Y	[1]	PUMP & MTG GP-CUSHION-HITCH
6G-3340 Y	[1]	PUMP & MTG GP-STEERING
8W-8798 Y	[1]	PUMP GP-VANE
6G-8216 Y	[1]	ROPS GP
5T-5138 Y	[1]	SEAT GP
5T-1286 Y	[1]	SHUTOFF GP-MECHANICAL
5T-1180 Y	[1]	STARTING AID GP-ETHER
8X-1101 Y	[1]	TANK & MTG GP-HYDRAULIC
5T-1287 Y	[1]	TANK GP-AIR
5T-1597 Y	[1]	WASHER GP-WINDOW
6G-9835 Y	[1]	WIPER GP-WINDOW
8X-2365 Y	[1]	WIRING & LIGHTING GP
Y		SEPARATE ILLUSTRATION

#SEBP19870002

8X-1592: GENERAL AR-TRACTOR

GENERAL AR-TRACTOR

8X-1592 GENERAL AR-TRACTOR
S/N 2PD1011-99999

i00424992 SEBP1987

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
Y	[1]	CHASSIS AR
7E-3421 Y	[1]	ENGINE AR
Y	[1]	HITCH & STEERING AR
4P-3804 Y	[1]	INSTALLATION AR-ENGINE
Y	[1]	POWER TRAIN AR
Y		SEPARATE ILLUSTRATION

#SEBP19870003

7E-3421: ENGINE AR

ENGINE AR

7E-3421 ENGINE AR
S/N 11N1-99999
PART OF 8X-1592 GENERAL AR-TRACTOR

i00402309 SEBP1987

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
1W-8347 Y	[1]	AFTERCOOLER GP-WATER
1N-2981 Y	[1]	AIR COMPRESSOR GP
2N-8220 Y	[1]	BREATHER GP
7W-3798 Y	[1]	CAMSHAFT GP
7W-2206 Y	[1]	COOLER GP-ENGINE OIL
9N-0684 Y	[1]	COVER GP-CYLINDER BLOCK
4N-4792 Y	[1]	COVER GP-FLYWHEEL HOUSING
1W-6566 Y	[1]	COVER GP-FRONT HOUSING
7W-7353 Y	[1]	COVER GP-VALVE MECHANISM
4N-0741 Y	[1]	CRANKSHAFT GP
8N-9267 Y	[1]	CYLINDER BLOCK GP
4W-2436 Y	[1]	CYLINDER HEAD GP
4P-5893 Y	[1]	DAMPER GP
8N-9653 Y	[1]	DRIVE GP-ACCESSORY
4W-3123 Y	[1]	DRIVE GP-ACCESSORY
4W-4619 Y	[1]	DRIVE GP-GOVERNOR & FUEL PUMP
1W-9010 Y	[1]	DRIVE GP-TACHOMETER
4N-6006 Y	[1]	FASTENER GP-FRONT HOUSING
1W-7376 Y	[1]	FASTENER GP-FUEL INJ PUMP
4N-2481 Y	[1]	FASTENER GP-OIL PUMP MOUNTING
2W-9787 Y	[1]	FILLER GP-ENGINE OIL
4N-0745 Y	[1]	FILTER GP-ENGINE OIL
7N-9651 Y	[1]	FLYWHEEL GP
4N-0748 Y	[1]	GAUGE GP-OIL LEVEL (DIPSTICK)
8N-9246 Y	[1]	GEAR GP-FRONT
7C-0366 Y	[1]	HOUSING GP-FLYWHEEL
1W-1468 Y	[1]	HOUSING GP-FRONT
2W-4559 Y	[1]	LIFTING GP-ENGINE
4N-2474 Y	[1]	LINES GP-AFTERCOOLER WATER
9Y-4178 Y	[1]	LINES GP-AIR
7W-8513 Y	[1]	LINES GP-AIR COMPRESSOR
4N-2293 Y	[1]	LINES GP-ENGINE OIL
7W-8971 Y	[1]	LINES GP-FUEL FILTER
4W-1566 Y	[1]	LINES GP-FUEL INJECTION
7W-3935 Y	[1]	LINES GP-FUEL RATIO CONTROL
7C-1662 Y	[1]	LINES GP-TURBOCHARGER OIL
1W-3934 Y	[1]	LINES GP-TURBOCHARGER WATER
1W-9709 Y	[1]	LINES GP-WATER
1W-3932 Y	[1]	MANIFOLD GP-EXHAUST
7W-8567 Y	[1]	PAN GP-OIL
7N-3516 Y	[6]	PISTON & ROD GP
4N-0733 Y	[1]	PUMP GP-ENGINE OIL
2W-4381 Y	[1]	PUMP & MTG GP-FUEL TRANSFER
9Y-3918 Y	[1]	PUMP GP-GOV & FUEL INJ
9N-3288 Y	[1]	PUMP GP-WATER
4N-2276 Y	[1]	SUPPORT GP-ENGINE
1N-4647 Y	[1]	SWITCH GP-FLOW
4N-2273 Y	[1]	TRUNNION GP-ENGINE
7C-9894 Y	[1]	TURBOCHARGER GP
4W-2461 Y	[1]	VALVE MECHANISM GP

		AVAILABLE GASKET KIT(S):
8T-4869	[1]	KIT-GASKET (AFTERCOOLER & LINES)
8T-6778	[1]	KIT-GASKET (AIR COMPRESSOR)
9X-6473	[1]	KIT-GASKET (CENTRAL & LOWER STRUCTURE)
9X-6288	[1]	KIT-GASKET (FRONT STRUCTURE)
8T-9081	[1]	KIT-GASKET (FUEL SYSTEM)
9X-2204	[1]	KIT-GASKET (OIL COOLER & LINES)
8T-2484	[1]	KIT-GASKET (REAR STRUCTURE)
9X-8319	[1]	KIT-GASKET (SINGLE CYLINDER HEAD)
5P-8057	[1]	KIT-GASKET (SINGLE CYLINDER LINER)
9X-6291	[1]	KIT-GASKET (WATER PUMP)
R		REMFG PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#SEBP19870004

4P-3804: INSTALLATION AR-ENGINE

INSTALLATION AR-ENGINE

4P-3804 INSTALLATION AR-ENGINE
S/N 2PD1011-99999
PART OF 8X-1592 GENERAL AR-TRACTOR

i00376057 SEBP1987

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
9Y-1781 Y	[1]	AIR CLEANER GP
7C-1701 Y	[1]	ALTERNATOR GP-CHARGING
1W-4933 Y	[1]	BELT TIGHTENER GP
1W-3068 Y	[1]	COOLANT CONDITIONER GP
7W-8784 Y	[1]	COOLER GP-TRANSMISSION OIL
4N-7935 Y	[1]	COVER GP-FUEL FILTER BASE
4W-6832 Y	[1]	DRIVE GP-FAN
9Y-1780 Y	[1]	DUST EJECTOR GP
1W-5807 Y	[1]	EXTENSION GP-EXHAUST
1W-6562 Y	[1]	FAN GP-SUCTION
4N-1981 Y	[1]	FILTER GP-FUEL
4W-0592 Y	[1]	FUMES DISPOSAL GP
9Y-4166 Y	[1]	LINES GP-AIR
1W-4186 Y	[1]	MUFFLER GP
7C-8230 Y	[1]	PROTECTION GP-ENG OIL FILLER
6N-8344 Y	[1]	PULLEY GP-AUXILIARY DRIVE
8N-5251 Y	[1]	PUMP GP-FUEL PRM & PRIM FILTER
2W-3161 Y	[1]	RADIATOR GP
7W-7988 Y	[1]	SHIELD GP-MANIFOLD
7W-7765 Y	[1]	STARTING MOTOR GP-ELECTRIC
4N-2748 Y	[1]	SUPPORT GP-ENGINE
Y		SEPARATE ILLUSTRATION

#SEBP19870005

1N-2981: AIR COMPRESSOR GP

AIR COMPRESSOR GP

1N-2981 AIR COMPRESSOR GP
S/N 11N1-99999
PART OF 7E-3421 ENGINE AR

i00351980 SEBP1987

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7W-6084	[1]	GASKET
2.	9F-2247	[3]	PLUG-PIPE
3.	1P-7125	[1]	GOVERNOR AS-AIR COMPRESSOR
4.	2S-2923	[1]	COVER-GOVERNOR
5.	6L-1883	[1]	GASKET-GOVERNOR
6.	9M-0378	[2]	BOLT
7.	5F-5434	[1]	VENT AS
8.	4W-6425 YC	[1]	AIR COMPRESSOR GP
9.	1D-4719	[1]	NUT-FULL (1/2-13 THD)
10.	1D-4569	[1]	BOLT (1/2-13X4.25IN)
11.	5M-6214	[1]	PLUG-PIPE (1/8-27 THD)
12.	1A-1460	[1]	BOLT (1/2-13X2IN)
13.	5P-8245	[2]	WASHER (3MM THK)
14.	9M-1974	[4]	WASHER-HARD (2MM THK)
15.	2B-2695 C	[2]	BOLT (5/16-18X.875IN)
16.	9M-0397 C	[1]	ADAPTER-INLET
	8M-7065 C	[1]	GASKET-AIR INLET

			AVAILABLE REPAIR KIT(S):
	9M-0402	[1]	KIT-GOVERNOR OVERHAUL
			(INCLUDES COVER, GROMMETS, SPRING, FILTER & VALVE)
	C		CHANGE FROM PREVIOUS TYPE
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP19870006

4W-6425: AIR COMPRESSOR GP

AIR COMPRESSOR GP

4W-6425 AIR COMPRESSOR GP
S/N 11N1-99999
PART OF 1N-2981 AIR COMPRESSOR GP

i00379934 SEBP1987

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-7448	[1]	GASKET-AIR COMPRESSOR
2.	7N-7447	[1]	HEAD AS-COMPRESSOR
3.	0S-1619	[5]	BOLT (3/8X3.0IN)
4.	7N-7449	[1]	ADAPTER
	1S-7107	[1]	GASKET
5.	0L-1352	[1]	BOLT (3/8-16X3.25IN)
	5M-2894	[1]	WASHER (2.5MM THK)
6.	2B-2695	[2]	BOLT (5/16-18X.875IN)
7.	3B-4505	[8]	LOCKWASHER (5/16IN)
8.	7N-7450	[1]	COVER-UNLOADER
	7N-7451	[1]	GASKET-UNLOADER
9.	0S-1615	[2]	BOLT
	3B-4504	[2]	LOCKWASHER (.077IN THK)
10.	2B-0858	[1]	PLUG-PIPE (1/2-14 NPTF)
11.	7N-7441	[1]	COVER-AIR COMPRESSOR
	7N-7442	[1]	GASKET-AIR COMPRESSOR
12.	1B-8714	[1]	KEY-WOODRUFF
13.	034-4160	[4]	BOLT-LOCKING (5/16-18X1.0IN)
14.	7N-7444	[2]	ROD AS-AIR COMPRESSOR
15.	0S-1617	[6]	BOLT (5/16-18X.75IN)
16.	7N-7439	[1]	PLATE-COVER
	7N-7440	[1]	GASKET-AIR COMPRESSOR
17.	8H-9789	[2]	BALL BEARING
18.	4W-6706	[1]	CRANKSHAFT-AIR COMPRESSOR
19.	4W-6681	[1]	CRANKCASE AS
20.	1A-2029	[6]	BOLT (3/8-16X1.125IN)
	3B-4506	[6]	LOCKWASHER
21.	4B-4845	[2]	PLUG (PIPE)
22.	7N-7445	[1]	CYLINDER BLOCK
	7N-7446	[1]	GASKET-AIR COMPRESSOR
23.	7N-7443	[2]	PISTON AS-COMPRESSOR
24.	5M-6214	[1]	PLUG-PIPE (1/8-27 THD)
25.	4W-9489 C	[1]	LOCKRING

			AVAILABLE REPAIR KIT(S):
	7N-7435	[1]	KIT-AIR COMPRESSOR
			(INCLUDES STOPS, SPRINGS, SEATS, GUIDES, & GASKETS)
	7N-7436	[1]	KIT-PISTON RING
	4P-6409	[1]	KIT-PIN
	C		CHANGE FROM PREVIOUS TYPE

#SEBP19870007

1W-4933: BELT TIGHTENER GP

BELT TIGHTENER GP

1W-4933 BELT TIGHTENER GP
S/N 2PD1011-99999
PART OF 4P-3804 INSTALLATION AR-ENGINE

i00137531 SEBP1987

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2N-2280	[1]	LOCKNUT-WASHER
2.	4L-9337	[3]	BOLT (3/8-16X1.5IN)
3.	4N-2697	[1]	PULLEY-TIGHTENER
4.	4M-6425	[4]	BOLT (5/16-18X1IN)
5.	8B-2327	[1]	RING-RETAINING
6.	175-3846	[1]	ARM AS
	4N-0955	[1]	DOWEL
	4S-5367	[1]	BUSHING AS
7.	2S-1511 I	[1]	HOSE AS
8.	3B-8485	[1]	FITTING-HYDRAULIC (1/8-27 NPTF)(45 DEGREE)
9.	6V-8188	[1]	NUT (1/2-13 THD)
10.	8T-4223	[1]	WASHER-HARD (3MM THK)
11.	8N-5579	[1]	RETAINER
12.	8N-5827	[1]	ABSORBER AS
13.	5M-9735	[1]	SEAL-LIP
14.	4S-7916	[1]	SPACER
15.	6S-6308	[1]	PIN
16.	3B-4617	[1]	COTTER
17.	2M-2742	[1]	PLATE-RETAINER
18.	5S-7379	[2]	BOLT (3/8-16X.875IN)
19.	8T-4896	[2]	WASHER-HARD (2.5MM THK)
20.	3B-6552	[1]	ELBOW (90 DEGREES)
21.	8N-5581	[1]	STUD
22.	1W-4693	[1]	SHAFT AS
	4N-0955	[1]	DOWEL
	1S-9209	[1]	SHAFT-TIGHTENER
23.	7X-0592	[1]	WASHER-HARD (5MM THK)
24.	2S-6150	[1]	COVER-PULLEY
25.	2S-6151	[1]	GASKET
26.	6B-1124	[2]	BALL BEARING
27.	1S-8687	[1]	SPACER
	I		SEE HOSE FABRICATION GUIDE

#SEBP19870008

7W-3798: CAMSHAFT GP

CAMSHAFT GP

7W-3798 CAMSHAFT GP
S/N 11N1-99999
PART OF 7E-3421 ENGINE AR

i00138069 SEBP1987

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-0509	[2]	BOLT (3/8-16X.75IN)
2.	4N-0342	[1]	PLATE-CAMSHAFT THRUST
3.	100-7408	[1]	CAMSHAFT AS
4.	1B-8705	[1]	KEY-WOODRUFF
5.	8N-8254	[1]	GEAR-CAMSHAFT (64 TEETH)
	R		REMFG PART MAY BE AVAILABLE

#SEBP19870009

9N-0684: COVER GP-CYLINDER BLOCK

COVER GP-CYLINDER BLOCK

9N-0684 COVER GP-CYLINDER BLOCK
S/N 11N1-99999
PART OF 7E-3421 ENGINE AR

i00138401 SEBP1987

9N0684 COVER GP-CYLINDER BLOCK Parts scheme

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4W-9890	[2]	COVER
2.	4N-0699	[2]	GASKET
3.	0S-1594 C	[4]	BOLT (3/8-16X1IN)
4.	7C-0307	[1]	GASKET
5.	4N-0794	[1]	COVER
6.	5M-2894 C	[4]	WASHER (2.5MM THK)
	C		CHANGE FROM PREVIOUS TYPE