415-2948 CHASSIS AR S/N NEL1-UP PART OF 397-6207 COMMON AR 621G WHEEL TRACTOR

Part No	Qty	Parts name
305-4064 Y	[1]	BAFFLE GP-SOUND SUPPRESSION
Y	[1]	FENDER & MOUNTING GP
346-1095 Y	[1]	HOOD GP-TRACTOR
361-9455 Y	[1]	LADDER GP
8X-4976 Y	[1]	MIRROR GP-REAR VIEW
Y		SEPARATE ILLUSTRATION

#SEBP63650002

397-6207: COMMON AR

COMMON AR

397-6207 COMMON AR
S/N NEL1-UP

i05201109 SEBP6365

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
399-5765 Y	[1]	CAB AR
Y	[1]	CHASSIS AR
341-7800 Y	[1]	ELECTRICAL AR
232-3770 Y	[1]	ELECTRONICS GP-MONITOR (CATERPILLAR MONITORING SYSTEM)
341-7920 Y	[1]	ELECTRONICS GP-POWER TRAIN
364-6377 Y	[1]	ENGINE AR-COMPLETE
Y	[1]	FRAME AR-FRONT
228-5322 Y	[1]	GUARD GP-POWER TRAIN
313-4955 Y	[1]	HEATER GP-JACKET WATER
346-7718 Y	[1]	HYDRAULIC AR
Y	[1]	INSTALLATION AR-ENGINE
8X-5849 Y	[1]	LOCK GP-OSCILLATION & STEERING
8X-4977 Y	[1]	MOUNTING GP-ROPS
415-2951 Y	[1]	PLATE & FILM GP
227-8299 Y	[1]	POWER TRAIN AR
Y	[1]	STEERING AR-STANDARD
210-9234 Y	[1]	TIRE GP
346-6765 Y	[1]	TRANSMISSION AR
R		REMANUFACTURED PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#SEBP63650003

373-0055: ENGINE AR

ENGINE AR

373-0055 ENGINE AR
S/N TXG1-UP
PART OF 364-6377 ENGINE AR-COMPLETE

i04510669 SEBP6365

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
351-2841 Y	[1]	ENGINE AR-CORE
353-5919 Y	[1]	PLATE & FILM GP
365-4212	[1]	ELECTRONICS GP-ENGINE RATINGS
Y		SEPARATE ILLUSTRATION

#SEBP63650004

364-6377: ENGINE AR-COMPLETE

ENGINE AR-COMPLETE

364-6377 ENGINE AR-COMPLETE
S/N TXG1-UP
249 BRAKE KW (394 BHP) AT 1800 RPM (HIGH POWER). 268 BRAKE KW (359 BHP) AT 1800 RPM (LOW POWER)
PART OF 397-6207 COMMON AR

i05229716 SEBP6365

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
240-9033 Y	[1]	AIR COMPRESSOR GP
229-6712 Y	[1]	CONNECTION GP-ELECTRICAL (CYLINDER BLOCK GROUND)
262-1563 Y	[1]	CONTROL & MTG GP-ENGINE ELEK
240-2759 Y	[1]	COOLING AR (ENGINE OIL CLR/WTR TEMP RGLTR)
107-6736 Y	[1]	COVER GP-CYLINDER BLOCK (TURBOCHARGER DRAIN COVER)
107-6737 Y	[1]	COVER GP-CYLINDER BLOCK
4N-4792 Y	[1]	COVER GP-FLYWHEEL HOUSING
159-6159 Y	[1]	COVER GP-FRONT HOUSING (CAM, IDLER GEAR)
269-7051 Y	[1]	COVER GP-VALVE MECHANISM
4P-5893 Y	[1]	DAMPER GP
6I-3638 Y	[1]	DRIVE GP-PUMP
373-0055 Y	[1]	ENGINE AR
4P-6846 Y	[1]	FASTENER GP-FRONT HOUSING
108-9382 Y	[1]	FASTENER GP-FRONT HOUSING
187-3313 Y	[1]	FASTENER GP-FUMES DISPOSAL
4N-2481 Y	[1]	FASTENER GP-OIL PUMP MOUNTING (ENGINE)
335-2317 Y	[1]	FASTENER GP-VALVE MECHANISM
372-4729 Y	[1]	FILTER GP-ENGINE OIL
224-0875 Y	[1]	FITTING GP-WATER LINES
7N-9651 Y	[1]	FLYWHEEL GP
159-9362 Y	[1]	FUMES DISPOSAL GP
239-3480 Y	[1]	GAUGE GP-OIL LEVEL (DIPSTICK) (ENGINE)
257-4912 Y	[1]	GOVERNOR GP-AIR COMPRESSOR
Y	[1]	HOUSING GP-FLYWHEEL
279-4453 Y	[1]	HOUSING GP-FRONT
111-2088 Y	[1]	LIFTING GP-ENGINE (REAR)
127-0564 Y	[1]	LIFTING GP-ENGINE (FRONT)
9N-2282 Y	[1]	LINES GP-ENGINE OIL
264-1958 Y	[1]	LINES GP-ENGINE OIL
355-0047 Y	[1]	LINES GP-FUEL
250-6660 Y	[1]	LINES GP-TURBOCHARGER OIL
238-4777 Y	[1]	LINES GP-WATER
220-6372 Y	[1]	MANIFOLD GP-EXHAUST
283-4355 Y	[1]	MOUNTING GP-ALTERNATOR & COMPR
197-7415 Y	[1]	MOUNTING GP-SENSOR (ATMOSPHERIC, ENGINE OIL)
251-7153 Y	[1]	PAN GP-OIL
174-3874 Y	[1]	PANEL GP-SOUND SUPPRESSION (ENGINE, LH)
235-8200 Y	[1]	PLUG GP-CONNECTOR (ENGINE HARNESS, PROT COVER)
247-8211 Y	[1]	PLUG GP-CYLINDER BLOCK
229-6711 Y	[1]	PLUG GP-CYLINDER HEAD
150-4279 Y	[1]	PUMP & MTG GP-FUEL TRANSFER (REAR)
227-3873 Y	[1]	SUPPORT GP-ENGINE
260-3601 Y	[1]	TURBOCHARGER GP
354-0047 Y	[1]	WIRING GP-ELECTRONIC CONTROL

		PLEASE USE THE GASKET KIT LINK IN SIS OR CONTACT YOUR LOCAL DEALER FOR THE LATEST GASKET KIT INFORMATION
Y		SEPARATE ILLUSTRATION

#SEBP63650005

351-2841: ENGINE AR-CORE

ENGINE AR-CORE

351-2841 ENGINE AR-CORE
S/N TXG1-UP
PART OF 373-0055 ENGINE AR

i05335643 SEBP6365

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
278-5662 Y	[1]	BASE GP-VALVE COVER & INJ HARN
234-7935 Y	[1]	CAMSHAFT GP
223-9731 Y	[1]	CRANKSHAFT GP
223-9252 Y	[1]	CYLINDER BLOCK GP
274-1953 Y	[1]	CYLINDER HEAD GP
		S/N TXG1-6708
432-5472 Y	[1]	CYLINDER HEAD GP
		S/N TXG6709-UP
208-9490 Y	[1]	GEAR GP-FRONT
190-0009 Y	[1]	MECHANISM GP-FUEL PUMP & VALVE
229-2863 Y	[6]	PISTON & ROD GP
161-4113 Y	[1]	PUMP GP-ENGINE OIL
235-1401 Y	[6]	PUMP GP-FUEL INJECTION
174-5986 Y	[1]	PUMP GP-WATER
354-0041 Y	[1]	SENSOR GP-ENGINE
R		REMANUFACTURED PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#SEBP63650006

321-2600: INSTALLATION AR-ENGINE

INSTALLATION AR-ENGINE

321-2600 INSTALLATION AR-ENGINE
S/N NEL1-UP
PART OF 397-6207 COMMON AR

i04158588 SEBP6365

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
225-4240 Y	[1]	COOLING AR

325-3266 Y	[1]	ACCESSORY GP-ENGINE (ALTERNATOR, A/C COMPRESSOR)
222-0797 Y	[1]	AIR CLEANER GP
290-2230 Y	[1]	BRACE GP (FRONT HOUSING, ACCESSORY DRIVE)
232-4935 Y	[1]	COOLER GP-TRANSMISSION OIL
222-0794 Y	[1]	DRIVE GP-FAN
225-4249 Y	[1]	FAN GP-SUCTION
222-0801 Y	[1]	LINES GP-AIR
222-8155 Y	[1]	LINES GP-FUEL
222-0798 Y	[1]	LINES GP-WATER
222-0795 Y	[1]	MUFFLER GP
222-0796 Y	[1]	SHIELD GP-HEAT (EXHAUST MANIFOLD)
321-2598 Y	[1]	STARTING MOTOR GP-ELECTRIC
103-5502 Y	[1]	SUPPORT GP-ENGINE
Y		SEPARATE ILLUSTRATION

#SEBP63650007

325-3266: ACCESSORY GP-ENGINE

ACCESSORY GP-ENGINE

325-3266 ACCESSORY GP-ENGINE -ALTERNATOR, AIR CONDITIONER COMPRESSOR
S/N NEL1-UP
PART OF 321-2600 INSTALLATION AR-ENGINE

i04020825 SEBP6365

3253266 ACCESSORY GP-ENGINE Parts scheme

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	230-2183 CY	[1]	ALTERNATOR GP-CHARGING
2.	230-2185 Y	[1]	BELT TENSIONER GP
3.	278-4170 C	[1]	GUARD
4.	284-8443	[1]	BRACKET AS (FRONT)
	159-3042 M	[3]	NUT-WELD (M10X1.5-THD)
5.	300-0023 CY	[1]	COMPRESSOR GP-REFRIGERANT
6.	8T-4222	[3]	WASHER-PLATED (11X32X2.5-MM THK)
7.	9X-2125 M	[3]	BOLT-LOCKING (M10X1.5X25-MM)
	C		CHANGE FROM PREVIOUS TYPE
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP63650008

133-9907: ADAPTER GP-PUMP DRIVE

ADAPTER GP-PUMP DRIVE

133-9907 ADAPTER GP-PUMP DRIVE
S/N TXG1-UP
PART OF 6I-3638 DRIVE GP-PUMP

i00506272 SEBP6365

1339907 ADAPTER GP-PUMP DRIVE Parts scheme

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1B-3867	[2]	BALL BEARING
2.	4F-7957	[3]	BOLT (1/4-20X0.875-IN)
3.	6I-4575	[1]	GEAR (34-TEETH)
4.	9X-2038	[3]	WASHER (7X19X2-MM THK)
5.	133-9906	[1]	ADAPTER
6.	1H-8647	[1]	RING-SNAP

#SEBP63650009

131-6679: AIR COMPRESSOR GP

AIR COMPRESSOR GP

131-6679 AIR COMPRESSOR GP
S/N TXG1-UP
13.2 CFM AT 1250 RPM
FIELD REPLACEMENT FOR @@@@@167-1288@@@@@

i03813789 SEBP6365

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	124-5572	[1]	VALVE AS-RELIEF (AIR COMPRESSOR)
2.	7E-8928	[1]	GASKET
3.	3B-4505	[4]	LOCKWASHER
4.	4P-3977	[1]	GASKET-CYLINDER HEAD
5.	0S-1617	[12]	BOLT (5/16-18X0.75-IN)
6.	8T-6764	[2]	PLUG-PIPE (1/8-27-THD)
7.	4P-3966	[1]	PISTON & ROD AS
8.	8T-6762	[1]	PLUG-PIPE (1/2-14-THD)
9.	0L-1352	[6]	BOLT (3/8-16X3.25-IN)
10.	146-0835	[2]	STUD
11.	2H-3934	[1]	SEAL-O-RING
12.	103-6216	[1]	KEY-WOODRUFF

			AVAILABLE REPAIR KIT(S):
	7E-8923	[1]	KIT-CRANKSHAFT BEARING (AIR COMPRESSOR)
			(INCLUDES SEALS, BEARINGS, INSERTS, GASKETS & WASHER)
	164-7572	[1]	KIT-RING (AIR COMPRESSOR)
			(INCLUDES RINGS)
	7E-8926	[1]	KIT-CYLINDER HEAD (AIR COMPRESSOR)
			(INCLUDES GASKETS, PISTONS, SPRINGS, VALVES, SEATS & O-RING)
	150-5146	[1]	KIT-UNLOADER (AIR COMPRESSOR)