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
1N-2981 Y	[1]	AIR COMPRESSOR GP

2N-8220 Y	[1]	BREATHER GP-CRANKSHAFT

8N-9244 Y	[1]	CAMSHAFT GP-SINGLE
4N-0729 Y	[1]	COOLER GP-ENGINE OIL
		-OR-
7W-2206 Y	[1]	COOLER GP-ENGINE OIL
9N-0684 Y	[1]	COVER GP-CYLINDER BLOCK
9N-0684 Y	[1]	COVER GP-FLYWHEEL HOUSING
1W-6555 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-AIR COMPRESSOR ACCESSORY
8N-9653 Y	[1]	DRIVE GP-ACCESSORY
4W-4619 Y	[1]	DRIVE GP-GOVERNOR & FUEL PUMP
		-OR-
9Y-1790 Y	[1]	DRIVE GP-GOVERNOR & FUEL PUMP
		S/N 70V30560-35204
4W-4617 Y	[1]	DRIVE GP
		S/N 70V35205-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
8N-9246 Y	[1]	GEAR GP-FRONT TIMING

7C-0366 Y	[1]	HOUSING GP-FLYWHEEL
1W-1468 Y	[1]	HOUSING GP-FRONT
R		REMFG PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#ZEBP17060002

1W-6904: ENGINE AR

ENGINE AR

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

ZEBP17060002 ZEBP1706

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name



2W-4559 Y	[1]	LIFTING GP
1W-3936 Y	[1]	LINES GP-AIR
7W-3935 Y	[1]	LINES GP-AIR
7W-8513 Y	[1]	LINES GP-AIR COMPRESSOR
9Y-3494 Y	[1]	LINES GP-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
		-OR-
4W-1566 Y	[1]	LINES GP-FUEL INJECTION
1W-3934 Y	[1]	LINES GP-TURBOCHARGER WATER
7C-1662 Y	[1]	LINES GP-TURBOCHARGER OIL
4N-2474 Y	[1]	LINES GP-WATER
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
4W-4878 Y	[1]	PUMP GP-GOVERNOR & FUEL INJECTION
		-OR-
9Y-3918 Y	[1]	PUMP GP-GOVERNOR & FUEL INJECTION
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
1W-3935 Y	[1]	TURBOCHARGER GP

4N-2271 Y	[1]	VALVE MECHANISM GP

		GASKET KITS AVAILABLE:

8T-6778		AIR COMPRESSOR
8T-6678		CENTRAL & LOWER STRUCTURE
6V-9733		FRONT STRUCTURE
8T-6692		FUEL SYSTEM
		S/N 70V1-35204
116-0678		FUEL PUMP
		S/N 70V35205-UP
9X-2204		OIL COOLER & LINES
8T-2484		REAR STRUCTURE
6V-9891		SINGLE CYLINDER HEAD
5P-8057		SINGLE CYLINDER LINER
8C-6499		TURBOCHARGER MOUNTING
8C-4453		WATER PUMP
		S/N 70V22151-23629
7X-0798		WATER PUMP
		S/N 70V23630-UP
R		REMFG PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#ZEBP17060003

8N-9267: CYLINDER BLOCK GP

CYLINDER BLOCK GP

8N9267 CYLINDER BLOCK GP*R
FIELD REPLACEMENT ORDER 2W6039-PAGE 7

c355194 ZEBP1706

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7W-4990 C	[TUBE ASSEM.]	6
2.	9F-2247	[PLUG]	3
3.	7M-7410 CB	[PLUG]	1
4.	1W-6280	[LINER]	6
5.	7H-3171	[PLUG]	3
6.	1S-9540	[DOWEL]	2
7.	3S-5496	[SEAL]	2
8.	3J-5389	[PLUG]	1
9.		[BOLT]	4
10.	4W-8585	[COVER]	1
11.	7W-6081	[GASKET]	1
12.	2M-6471	[PLUG]	2
13.	4N-0683	[DOWEL]	4
14.	4N-1650	[DOWEL]	2
15.	2W-8601 C	[PLATE]	1
16.	7C-3037 C	[GASKET]	1
17.	8S-9094	[PLUG]	1
18.	9S-4190	[PLUG]	1
19.	2M-9780	[SEAL]	1
20.	3J-5390 C	[PLUG]	6
21.	7C-2478 C	[BOLT]	6
22.	4N-0685	[BEARING]	6
23.	4N-6658	[BEARING]	1
24.	5M-6214	[PLUG]	1
25.	9S-8009	[PLUG]	1
26.	4K-1388	[SEAL]	1
27.	6V-5121	[SEAL]	18
28.	3P-1323	[BOLT]	14
29.	9H-1031	[WASHER]	14
30.	4N-5857	[CAP]	7
31.	9L-5854	[BAND]	6
32.	4W-4588 AH		SLEEVE (LIFTER BORE)
	4W-6061 CAJ	[SLEEVE (BOTTOM LINER)]
33.	9S-4190 B	[PLUG]	1
34.	B	[SEAL]	1
	5N-0093 AFH	[LINER SEAT INSERT]	6
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	C		INDICATES CHANGE
	J		FOR SALVAGE OF THE BOTTOM LINER O-RING BORE. QUANTITY TO BE DETERMINED BY USER
	H		FOR SALVAGE OF DAMAGED LIFTER BORES IN CYLINDER BLOCK. QUANITY TO BE DETERMINED BY USER
	F		NOT SHOWN

#ZEBP17060004

2W-6039: CYLINDER BLOCK GP

CYLINDER BLOCK GP

2W6039 CYLINDER BLOCK GP*R
FIELD REPLACEMENT FOR 8N9267-PAGE 6

c355211 ZEBP1706

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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

#ZEBP17060005

4N-0741: CRANKSHAFT GP

CRANKSHAFT GP

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

c341484 ZEBP1706

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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

#ZEBP17060006

9N-0684: COVER GP-CYLINDER BLOCK

COVER GP-CYLINDER BLOCK

9N0684 COVER GP-CYLINDER BLOCK

c492587 ZEBP1706

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

#ZEBP17060007

4N-0741: CRANKSHAFT GP

CRANKSHAFT GP

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

c454271 ZEBP1706

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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

#ZEBP17060008

1W-6207: CRANKSHAFT AS

CRANKSHAFT AS

1W6207 CRANKSHAFT AS*R
ENGINE S/N 70V22151-27438
PART OF 4N0741 CRANKSHAFT

c328806 ZEBP1706

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7S-5005	[1]	DOWEL
2.	1W-9302	[1]	GEAR-CRANKSHAFT (80 TEETH)
3.	4N-0684	[1]	PIN-DOWEL

#ZEBP17060009

1W-9373: PISTON GP

PISTON GP

1W9373 PISTON GP
PART OF 7N3516 ROD & PISTON

c312801 ZEBP1706

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1W-9372 R	[1]	BODY AS-PISTON
2.	7N-7078	[1]	RING-OIL
3.	2P-2817	[1]	RING-INTERMEDIATE
4.	1W-9460	[1]	RING (TOP)
	1W-8922 FA	[1]	RING GP-PISTON (STANDARD)
			(CONSISTS OF A COMPLETE
			SET OF RINGS FOR ONE
			PISTON)
	A		NOT PART OF THIS GROUP
	F		NOT SHOWN
	R		REMFG PART MAY BE AVAILABLE