1W6904 ENGINE AR-PART 1 OF 2*X ENGINE S/N 70V22151-UP 621E WHEEL TRACTOR

Part No	Qty	Parts name


1W-8347 Y	[1]	AFTERCOOLER GP-WATER

2N-8220 Y	[1]	BREATHER GP

8N-9244 Y	[1]	CAMSHAFT GP-SINGLE
1N-2981 Y	[1]	COMPRESSOR GP-AIR
2W-1007 Y	[1]	CONTROL GP-FUEL RATIO
		S/N 70V22151-30559
4N-0729 Y	[1]	COOLER GP-ENGINE OIL
		S/N 70V22151-23408
7W-2206 Y	[1]	COOLER GP-ENGINE OIL
		S/N 70V23409-UP
9N-0684 Y	[1]	COVER GP-CYLINDER BLOCK
4N-4792 Y	[1]	COVER GP-FLYWHEEL HOUSING
1W-6566 Y	[1]	COVER GP-FRONT STRUCTURE
7W-7353 Y	[1]	COVER GP-VALVE MECHANISM
4N-0741 Y	[1]	CRANKSHAFT GP
8N-9267 RY	[1]	CYLINDER BLOCK GP
1W-1439 RY	[1]	CYLINDER HEAD GP

4N-1560 Y	[1]	DAMPER GP-CRANKSHAFT
4W-3123 Y	[1]	DRIVE GP-ACCESSORY
8N-9653 Y	[1]	DRIVE GP-ACCESSORY
4W-4619 Y	[1]	DRIVE GP-GOVERNOR & FUEL PUMP
		S/N 70V22151-30559
9Y-1790 Y	[1]	DRIVE GP-GOVERNOR & FUEL PUMP
		S/N 70V30560-UP
1W-9010 Y	[1]	DRIVE GP-TACHOMETER

4N-6006 Y	[1]	FASTENER GP-FRONT HOUSING
1W-7376 Y	[1]	FASTENER GP-FUEL INJECTION PUMP
4N-2481 Y	[1]	FASTENER GP-OIL PUMP MOUNTING
2W-9787 Y	[1]	FILLER GP-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 TIMING
4W-4878 Y	[1]	GOVERNOR & FUEL INJECTION PUMP GP
		S/N 70V22151-30559
9Y-3918 Y	[1]	GOVERNOR & FUEL INJECTION PUMP GP
		S/N 70V30560-UP
R		REMFG PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#SEBP16280002

1W-6904: ENGINE AR

ENGINE AR

1W6904 ENGINE AR-PART 2 OF 2*X
ENGINE S/N 70V22151-UP

SEBP16280002 SEBP1628

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name


7C-0366 Y	[1]	HOUSING GP-FLYWHEEL
1W-1468 Y	[1]	HOUSING GP-FRONT

2W-4559 Y	[1]	LIFTING GP
1W-3936 Y	[1]	LINES GP-AIR
7W-8513 Y	[1]	LINES GP-AIR COMPRESSOR
7W-3935 Y	[1]	LINES GP-AIR FUEL RATIO CONTROL
4N-2293 Y	[1]	LINES GP-ENGINE OIL
7W-8971 Y	[1]	LINES GP-FUEL FILTER
1W-0557 Y	[1]	LINES GP-FUEL INJECTION
		S/N 70V22151-23886
4W-1566 Y	[1]	LINES GP-FUEL INJECTION
		S/N 70V23887-UP
1W-3934 Y	[1]	LINES GP-TURBOCHARGER WATER
7C-1662 Y	[1]	LINES GP-TURBOCHARGER OIL
1W-9709 Y	[1]	LINES GP-WATER

1W-3932 Y	[1]	MANIFOLD GP-EXHAUST

7W-8567 Y	[1]	PAN GP-OIL
4N-0733 RY	[1]	PUMP GP-ENGINE OIL
2W-4381 Y	[1]	PUMP GP-FUEL TRANSFER
9N-3288 Y	[1]	PUMP GP-WATER

7N-3516 Y	[6]	ROD & PISTON GP

4N-2276 Y	[1]	SUPPORT GP-ENGINE
1N-4647 Y	[1]	SWITCH GP-FLOW

4N-2273 Y	[1]	TRUNNION GP-ENGINE
1W-3935 Y	[1]	TURBOCHARGER GP

4N-2271 Y	[1]	VALVE MECHANISM GP
R		REMFG PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#SEBP16280003

137-7550: ENGINE AR-NONRUNNABLE

ENGINE AR-NONRUNNABLE

1377550 ENGINE AR-NONRUNNABLE
FIELD REPLACEMENT FOR 7E3421-PAGE

SEBP16280003 SEBP1628

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
137-6336	[1]	AFTERCOOLER GP-WATER
1N-2981	[1]	AIR COMPRESSOR GP
9Y-2989	[1]	BREATHER GP
7W-3798	[1]	CAMSHAFT GP
7W-2206	[1]	COOLER GP-ENGINE OIL
9N-0684	[1]	COVER GP-CYLINDER BLOCK
4N-4792	[1]	COVER GP-FLYWHEEL HOUSING
1W-6566	[1]	COVER GP-FRONT HOUSING
7W-7353	[1]	COVER GP-VALVE MECHANISM
4N-0741	[1]	CRANKSHAFT GP
8N-9267 R	[1]	CYLINDER BLOCK GP
110-5095 R	[1]	CYLINDER HEAD GP
4P-5893	[1]	DAMPER GP
4W-3123	[1]	DRIVE GP-ACCESSORY
8N-9653	[1]	DRIVE GP-ACCESSORY
4N-6006	[1]	FASTENER GP-FRONT HOUSING
4N-2481	[1]	FASTENER GP-OIL PUMP MOUNTING
2W-9787	[1]	FILLER GP-OIL
4N-0745	[1]	FILTER GP-ENGINE OIL
7N-9651	[1]	FLYWHEEL GP
4N-0748	[1]	GAUGE GP-OIL LEVEL (DIPSTICK)
8N-9246	[1]	GEAR GP-FRONT
7C-0366	[1]	HOUSING GP-FLYWHEEL
1W-1468	[1]	HOUSING GP-FRONT
2W-4559	[1]	LIFTING GP-ENGINE
7W-8513	[1]	LINES GP-AIR COMPRESSOR
4N-2293	[1]	LINES GP-ENGINE OIL
136-7961	[1]	LINES GP-FUEL INJECTION
4N-2474	[1]	LINES GP-WATER
1W-9709	[1]	LINES GP-WATER
7C-0067	[1]	MANIFOLD GP-EXHAUST
7W-8567	[1]	PAN GP-OIL
7N-3516	[6]	PISTON & ROD GP
4N-0733 R	[1]	PUMP GP-ENGINE OIL
9N-3288	[1]	PUMP GP-WATER
4N-2276	[1]	SUPPORT GP-ENGINE
6I-4687	[1]	SWITCH GP-FLOW
4N-2273	[1]	TRUNNION GP-ENGINE
4W-2461	[1]	VALVE MECHANISM GP
R		REMFG PART MAY BE AVAILABLE

#SEBP16280004

9N-0684: COVER GP-CYLINDER BLOCK

COVER GP-CYLINDER BLOCK

9N0684 COVER GP-CYLINDER BLOCK

c492587 SEBP1628

For full view, you need register

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	[6]	BOLT
4.	7C-0307	[1]	GASKET
5.	4N-0794	[1]	COVER
6.	5M-2894 C	[6]	WASHER
	C		CHANGE FROM PREVIOUS TYPE

#SEBP16280005

8N-9267: CYLINDER BLOCK GP

CYLINDER BLOCK GP

8N9267 CYLINDER BLOCK GP*R
FIELD REPLACEMENT ORDER 2W6039-PAGE 6.02

c562614 SEBP1628

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7W-4990	[6]	TUBE AS-OIL JET
2.	8T-6757	[3]	PLUG-PIPE
3.	7M-7410 B	[1]	PLUG
4.	2W-6000	[6]	LINER-CYLINDER
5.	8T-6763	[3]	PLUG
6.	1S-9540	[2]	DOWEL
7.	3S-5496	[2]	SEAL-O-RING
8.	7W-6492	[1]	PLUG-PIPE
9.	030-7571	[4]	BOLT
10.	4W-8585	[1]	COVER
11.	7W-6081	[1]	GASKET
12.	2M-6471	[1]	PLUG-CUP
13.	4N-0683	[4]	DOWEL
14.	4N-1650	[2]	DOWEL
15.	6I-2981	[1]	PLATE-BLOCK
16.	6I-4024	[1]	GASKET-PLATE
17.	8S-9094	[1]	PLUG-ORIFICE
18.	9S-4190	[1]	PLUG-O-RING
19.	2M-9780	[1]	SEAL-O-RING
20.	8T-6767	[6]	PLUG-PIPE
21.	7E-6479	[6]	BOLT-OIL JET
22.	4N-0685	[6]	BEARING-SLEEVE
23.	4N-6658	[1]	BEARING-SLEEVE
24.	8T-6764	[1]	PLUG-PIPE
25.	9S-8009	[1]	PLUG-O-RING
26.	4K-1388	[1]	SEAL-O-RING
27.	3E-6777	[18]	SEAL-O-RING
28.	3P-1323	[14]	BOLT-BEARING CAP
29.	9H-1031	[14]	WASHER-HARD
30.	4N-5857	[7]	CAP
31.	9L-5854	[6]	BAND-FILLER
32.	4W-4588 AH		SLEEVE-LIFTER BORE
	4W-6061 AJ		SLEEVE-BOTTOM LINER
33.	9S-4190 B	[1]	PLUG-O-RING
34.	2M-9780 B	[1]	SEAL-O-RING
35.	100-7399	[1]	PLUG
36.	3E-6747	[1]	SEAL-O-RING
	5N-0093 AFH		INSERT-LINER SEAT 2.7MM(.11IN)THK
	2W-3815 AFH		INSERT-LINER SEAT 1.59MM(.06IN)THK
	9Y-3368 AFH		INSERT-LINER SEAT 0.82MM(.03IN)THK

			J-FOR SALVAGE OF THE
			BOTTOM LINER O-RING
			BORE. QUANTITY TO BE
			DETERMINED BY USER
			H-FOR SALVAGE OF DAMAGED
			LIFTER BORES IN CYL
			BLOCK. QUANTITY TO BE
			DETERMINED BY USER
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	F		NOT SHOWN

#SEBP16280006

2W-6039: CYLINDER BLOCK GP

CYLINDER BLOCK GP

2W6039 CYLINDER BLOCK GP*R
ENGINE S/N 70V22151-22397
FIELD REPLACEMENT FOR 8N9267-PAGE 6.01

c355211 SEBP1628

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7W-4990 C	[6]	TUBE AS-OIL JET
2.	9F-2247	[3]	PLUG
3.	7M-7410 C	[1]	PLUG
4.	4N-5857	[7]	CAP
5.	7H-3171	[3]	PLUG-PIPE
6.	9H-1031	[14]	WASHER-HARD
7.	3P-1323	[14]	BOLT-BEARING CAP
8.	3J-5389	[1]	PLUG (WATER DRAIN)
9.	030-7571	[4]	BOLT
10.	4W-8585 C	[1]	COVER
11.	7W-6081 C	[1]	GASKET
12.	2M-6471	[2]	PLUG-CUP
13.	4K-1388	[1]	SEAL-O-RING
14.	9S-8009	[1]	PLUG-O-RING
15.	5M-6214	[1]	PLUG-PIPE
16.	4N-6658	[1]	BEARING-SLEEVE
17.	8S-9094	[1]	PLUG-ORIFICE
18.	9S-4190	[2]	PLUG-0-RING
19.	2M-9780	[2]	SEAL-O-RING
20.	3J-5390 C	[6]	PLUG
21.	7C-2478 C	[6]	BOLT-OIL JET
22.	4N-0685	[6]	BEARING-SLEEVE
	C		CHANGE FROM PREVIOUS TYPE

#SEBP16280007

4N-0741: CRANKSHAFT GP

CRANKSHAFT GP

4N0741 CRANKSHAFT GP
ENGINE S/N 70V22151-27438
1W6207-PAGE 9

c341484 SEBP1628

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2W-1734	[1]	SEAL GP-CRANKSHAFT
2.	1W-6207 CYR	[1]	CRANKSHAFT AS
3.	4W-5492 C	[7]	BEARING-MAIN
4.	7N-8947	[2]	PLATE-THRUST
5.	2W-1733	[1]	SEAL GP-CRANKSHAFT
	4W-5698 CA	[7]	BEARING-MAIN .025 IN UNDERSIZE
	4W-5699 CA	[7]	BEARING-MAIN .050 IN UNDERSIZE
	4W-5700 CA	[7]	BEARING-MAIN .025 IN OVERSIZE
	4W-5701 CA	[7]	BEARING-MAIN .025 IN OVERSIZE
			.025 IN UNDERSIZE
	A		NOT PART OF THIS GROUP
	C		CHANGE FROM PREVIOUS TYPE
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP16280008

4N-0741: CRANKSHAFT GP

CRANKSHAFT GP

4N0741 CRANKSHAFT GP
ENGINE S/N 70V27439-UP

c454271 SEBP1628

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2W-1734	[1]	SEAL GP-CRANKSHAFT
2.	2W-1733	[1]	SEAL GP-CRANKSHAFT
3.	4W-5492	[7]	BEARING-MAIN (STANDARD)
	4W-5698 A	[7]	BEARING-MAIN .025IN US
	4W-5699 A	[7]	BEARING-MAIN .050IN US
	4W-5700 A	[7]	BEARING-MAIN .025IN OS
	4W-5701 A	[7]	BEARING-MAIN .050IN OS
4.	7N-8947	[2]	PLATE-THRUST
5.	7C-4859 CR	[1]	CRANKSHAFT AS
6.	1W-9302	[1]	GEAR-CRANKSHAFT (80 TEETH)
	7S-5005	[1]	DOWEL
7.	4N-0684	[1]	PIN-DOWEL
	A		NOT PART OF THIS GROUP
	C		CHANGE FROM PREVIOUS TYPE
	R		REMFG PART MAY BE AVAILABLE

#SEBP16280009

4W-5698: BEARING-MAIN

BEARING-MAIN

4W5698 BEARING-MAIN

SEBP16280009 SEBP1628

For full view, you need register

Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
		CYLINDER BLOCK NOT REBORED

		CRANKSHAFT GROUND FOR UNDERSIZE
		BEARING I.D
4W-5698	[7]	.63MM
4W-5699	[7]	1.27MM

		CYLINDER BLOCK REBORED (.63 MM)
		(BEARING OVERSIZE O.D)
		CRANKSHAFT GROUND FOR UNDERSIZE
		BEARING I.D.
4W-5700	[7]	O STANDARD
4W-5701	[6]	.63MM

		O.D.-OUTSIDE DIAMETER
		I.D.-INSIDE DIAMETER