321-6315 ENGINE AR S/N 6AB1428-99999; 6BB1235-99999 THIS ARRANGEMENT NUMBER IS FOR REFERENCE PURPOSE ONLY. IT IS NOT TO BE SEVICED AT MORTON OR USED FOR REGULAR PRODUCTION PART OF 312-2924, 312-2925 CONVERSION AR-ENGINE FOR USE WITH REHS3334 & REHS3335 621E

321-6315 ENGINE AR
S/N 6AB1428-99999; 6BB1235-99999
THIS ARRANGEMENT NUMBER IS FOR REFERENCE PURPOSE ONLY. IT IS NOT TO BE SEVICED AT MORTON OR USED FOR REGULAR PRODUCTION
PART OF 312-2924, 312-2925 CONVERSION AR-ENGINE
FOR USE WITH REHS3334 & REHS3335

i05777660 SEBP2181

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Part No	Qty	Parts name
1W-8347 Y	[1]	AFTERCOOLER GP-WATER
4P-1912 Y	[1]	AIR COMPRESSOR GP
9Y-2989 Y	[1]	BREATHER GP (CRANKCASE)
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
127-2413 Y	[1]	COVER GP-FRONT HOUSING
7W-7353 Y	[1]	COVER GP-VALVE MECHANISM
4N-0741 Y	[1]	CRANKSHAFT GP
7E-4697 Y	[1]	CYLINDER BLOCK GP
4W-2436 Y	[1]	CYLINDER HEAD GP
4P-5893 Y	[1]	DAMPER GP
4W-3123 Y	[1]	DRIVE GP-ACCESSORY
8N-9653 Y	[1]	DRIVE GP-ACCESSORY
119-8434 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 (ENGINE)
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) (ENGINE)
8N-9246 Y	[1]	GEAR GP-FRONT
112-2406 Y	[1]	GOVERNOR GP-AIR COMPRESSOR
100-4692 Y	[1]	HOUSING & REGULATOR GP
101-9542 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
102-1767 Y	[1]	LINES GP-AIR COMPRESSOR
4N-2293 Y	[1]	LINES GP-ENGINE OIL
7W-8971 Y	[1]	LINES GP-FUEL FILTER
119-5979 Y	[1]	LINES GP-FUEL INJECTION
7W-3935 Y	[1]	LINES GP-FUEL RATIO CONTROL
7C-1662 Y	[1]	LINES GP-TURBOCHARGER OIL
175-7189 Y	[1]	LINES GP-WATER
7C-0067 Y	[1]	MANIFOLD GP-EXHAUST
7W-8567 Y	[1]	PAN GP-OIL
108-8865 Y	[6]	PISTON & ROD GP
7C-8230 Y	[1]	PROTECTION GP-ENG OIL FILLER
128-7985 Y	[1]	PROTECTION GP-FUEL SYSTEM
2W-4381 Y	[1]	PUMP & MTG GP-FUEL TRANSFER
161-4111 Y	[1]	PUMP GP-ENGINE OIL
130-3048 Y	[1]	PUMP GP-GOV & FUEL INJ
9N-3288 Y	[1]	PUMP GP-WATER
1W-0141 Y	[1]	SOLENOID GP-SHUTOFF
131-4854 Y	[1]	SUPPORT GP-ENGINE
6I-4687 Y	[1]	SWITCH GP-FLOW
122-8081 Y	[1]	TURBOCHARGER GP
4W-2461 Y	[1]	VALVE MECHANISM GP
R		REMANUFACTURED PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#SEBP21810011

321-6316: ENGINE AR

ENGINE AR

321-6316 ENGINE AR
S/N 6AB1428-99999
THIS ARRANGEMENT NUMBER IS FOR REFERENCE PURPOSE ONLY. IT IS NOT TO BE SERVICED AT MORTON OR USED FOR REGULAR PRODUCTION
PART OF 312-2924 CONVERSION AR-ENGINE
FOR USE WITH REHS3334

i05777850 SEBP2181

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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
9Y-2989 Y	[1]	BREATHER GP (CRANKCASE)
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
127-2413 Y	[1]	COVER GP-FRONT HOUSING
7W-7353 Y	[1]	COVER GP-VALVE MECHANISM
4N-0741 Y	[1]	CRANKSHAFT GP
7E-4697 Y	[1]	CYLINDER BLOCK GP
4W-2436 Y	[1]	CYLINDER HEAD GP
4P-5893 Y	[1]	DAMPER GP
4W-3123 Y	[1]	DRIVE GP-ACCESSORY
8N-9653 Y	[1]	DRIVE GP-ACCESSORY
119-8434 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 (ENGINE)
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) (ENGINE)
8N-9246 Y	[1]	GEAR GP-FRONT
1W-9709 Y	[1]	HOUSING & REGULATOR GP
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
119-5979 Y	[1]	LINES GP-FUEL INJECTION
7W-3935 Y	[1]	LINES GP-FUEL RATIO CONTROL
7C-1662 Y	[1]	LINES GP-TURBOCHARGER OIL
175-7189 Y	[1]	LINES GP-WATER
7C-0067 Y	[1]	MANIFOLD GP-EXHAUST
7W-8567 Y	[1]	PAN GP-OIL
108-8865 Y	[6]	PISTON & ROD GP
7C-8230 Y	[1]	PROTECTION GP-ENG OIL FILLER
128-7985 Y	[1]	PROTECTION GP-FUEL SYSTEM
2W-4381 Y	[1]	PUMP & MTG GP-FUEL TRANSFER
161-4111 Y	[1]	PUMP GP-ENGINE OIL
130-3048 Y	[1]	PUMP GP-GOV & FUEL INJ
9N-3288 Y	[1]	PUMP GP-WATER
1W-0141 Y	[1]	SOLENOID GP-SHUTOFF
4N-2276 Y	[1]	SUPPORT GP-ENGINE
6I-4687 Y	[1]	SWITCH GP-FLOW
4N-2273 Y	[1]	TRUNNION GP-ENGINE
122-8081 Y	[1]	TURBOCHARGER GP
4W-2461 Y	[1]	VALVE MECHANISM GP
R		REMANUFACTURED PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#SEBP21810012

7E-3421: ENGINE AR

ENGINE AR

7E-3421 ENGINE AR
S/N 11N1-8638; 70V34826-99999
PART OF 8X-1592 GENERAL AR-TRACTOR
FIELD REPLACEMENT ORDER @@@@@137-7550@@@@@

i00402307 SEBP2181

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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 (CRANKCASE)
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
4N-1560 Y	[1]	DAMPER GP
		S/N 70V34826-99999
4P-5893 Y	[1]	DAMPER GP
		S/N 11N1-8638
4W-3123 Y	[1]	DRIVE GP-ACCESSORY
8N-9653 Y	[1]	DRIVE GP-ACCESSORY
9Y-1790 Y	[1]	DRIVE GP-GOVERNOR & FUEL PUMP
		S/N 70V34826-35204
4W-4619 Y	[1]	DRIVE GP-GOVERNOR & FUEL PUMP
		S/N 70V35205-99999
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 (ENGINE)
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]	HOUSING & REGULATOR GP
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)(AFTERCOOLER & LINES)
8T-6778	[1]	KIT-GASKET (AIR COMPRESSOR)(AIR COMPRESSOR)
9X-6473	[1]	KIT-GASKET (CENTRAL, LOWER STRUCTURE)(CENTRAL & LOWER STRUCTURE)
9X-6288	[1]	KIT-GASKET (FRONT STRUCTURE)
8T-9081	[1]	KIT-GASKET (FUEL SYSTEM)(FUEL SYSTEM)
9X-2204	[1]	KIT-GASKET (OIL COOLER & LINES)
8T-2484	[1]	KIT-GASKET (REAR STRUCTURE)(REAR STRUCTURE)
9X-8319	[1]	KIT-GASKET (SINGLE CYLINDER HEAD)(SINGLE CYLINDER HEAD)
5P-8057	[1]	KIT-GASKET (SINGLE CYLINDER LINER)(SINGLE CYLINDER LINER)
9X-6291	[1]	KIT-GASKET (WATER PUMP)
R		REMANUFACTURED PART MAY BE AVAILABLE
Y		SEPARATE ILLUSTRATION

#SEBP21810013

4P-3804: INSTALLATION AR-ENGINE

INSTALLATION AR-ENGINE

4P-3804 INSTALLATION AR-ENGINE
S/N 6AB1428-99999
PART OF 8X-1592 GENERAL AR-TRACTOR

i00376056 SEBP2181

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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 TENSIONER 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

#SEBP21810014

1N-2981: AIR COMPRESSOR GP

AIR COMPRESSOR GP

1N-2981 AIR COMPRESSOR GP
S/N 6AB1428-99999; 11N1-16052; 70V34826-99999
PART OF 137-7550, 7E-3421 ENGINE AR
ALSO FIELD INSTALLATION

i00147026 SEBP2181

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	129-3948	[1]	SEAL-INTEGRAL
2.	9F-2247	[3]	PLUG-PIPE
3.	1P-7125	[1]	GOVERNOR AS-AIR COMPRESSOR
4.	2S-2923	[1]	COVER AS
5.	6L-1883	[1]	GASKET
6.	9M-0378	[2]	BOLT (5/16-18X2.87-IN)
7.	5F-5434	[1]	VALVE AS-VENT
8.	4W-6425 YC	[1]	AIR COMPRESSOR GP
9.	1F-7958	[1]	NUT-FULL (1/2-13-THD)
10.	1D-4569	[1]	BOLT (1/2-13X4.25-IN)
11.	5M-6214	[1]	PLUG (1/8-27 PTF)
12.	9X-8873	[1]	BOLT (1/2-13X2.25-IN)
13.	5P-8245	[3]	WASHER-HARD (13.5X25.5X3-MM THK)
14.	9M-1974	[4]	WASHER-HARD (8.8X16X2-MM THK)
15.	2B-2695 C	[2]	BOLT (5/16-18X0.875-IN)
16.	9M-0397 C	[1]	ADAPTER
	8M-7065 C	[1]	GASKET (AIR INLET)

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

#SEBP21810015

1N-2981: AIR COMPRESSOR GP

AIR COMPRESSOR GP

1N-2981 AIR COMPRESSOR GP
S/N 6AB1428-99999; 6BB1235-99999
PART OF 321-6313, 321-6314, 321-6316 ENGINE AR
FIELD INSTALLATION

i03675680 SEBP2181

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1P-7125	[1]	GOVERNOR AS-AIR COMPRESSOR
	2S-2923	[1]	COVER AS
	9M-0402	[1]	KIT-GOVERNOR OVERHAUL (AIR COMPRESSOR)
			(INCLUDES COVER, GROMMETS, SPRING, FILTERS, VALVE, RING & GASKET)
2.	5F-5434	[1]	VALVE AS-VENT
3.	6L-1883	[1]	GASKET
4.	9M-0378	[2]	BOLT (5/16-18X2.87-IN)
5.	129-3948	[1]	SEAL-INTEGRAL
6.	354-7532 YC	[1]	AIR COMPRESSOR GP
7.	1D-4569	[1]	BOLT (1/2-13X4.25-IN)
8.	1F-7958	[1]	NUT-FULL (1/2-13-THD)
9.	5P-8245	[3]	WASHER-HARD (13.5X25.5X3-MM THK)
10.	8T-6757	[3]	PLUG-PIPE
11.	8T-6764	[1]	PLUG-PIPE (1/8-27-THD)
12.	9M-1974	[2]	WASHER-HARD (8.8X16X2-MM THK)
13.	9X-8873	[1]	BOLT (1/2-13X2.25-IN)
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP21810016

354-7532: AIR COMPRESSOR GP

AIR COMPRESSOR GP

354-7532 AIR COMPRESSOR GP
S/N 6AB1428-99999; 6BB1235-99999
PART OF 1N-2981, 4P-1912 AIR COMPRESSOR GP

i04000647 SEBP2181

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4P-0676 Y	[1]	AIR COMPRESSOR GP
2.	7W-0140	[1]	GEAR-DRIVE (32-TEETH)
3.	5P-8248	[1]	WASHER-HARD (20X36.5X3.5-MM THK)
4.	6B-6682	[1]	NUT-FULL (3/4-16-THD)
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP21810017

4P-0676: AIR COMPRESSOR GP

AIR COMPRESSOR GP

4P-0676 AIR COMPRESSOR GP
S/N 6AB1428-99999; 6BB1235-99999
PART OF 354-7532 AIR COMPRESSOR GP

i00158193 SEBP2181

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	0S-1615	[4]	BOLT (1/4-20X0.75-IN)
2.	0S-1617	[10]	BOLT (5/16-18X0.75-IN)
3.	1B-8714	[1]	KEY-WOODRUFF
4.	4P-3977	[1]	GASKET-CYLINDER HEAD
5.	5M-6214	[2]	PLUG (1/8-27 PTF)
6.	4P-3966	[1]	PISTON & ROD AS
7.	7C-6178	[1]	BEARING-REAR
8.	7E-8927	[1]	GASKET-UNLOADER
9.	7E-8928	[1]	GASKET
10.	6V-0387	[2]	PLUG-PIPE
11.	8T-8915	[6]	BOLT (3/8-16X3.25-IN)

			AVAILABLE REPAIR KIT(S):
	164-7572	[1]	KIT-RING (AIR COMPRESSOR)
			(INCL RINGS-STD PISTON,
			RINGS-PSTN SEG,
			RINGS-STD SPACER,
			AND SHEET-INST)
	7E-8926	[1]	KIT-CYLINDER HEAD (AIR COMPRESSOR)
			(INCL GASKETS, PISTONS,
			SPRINGS, STOPS, VALVES,
			SEATS & O-RING)
	7E-8923	[1]	KIT-CRANKSHAFT BEARING (AIR COMPRESSOR)
			(INCL SEALS, BEARINGS,
			WASHERS, INSERTS,
			AND GASKETS)
	150-5146	[1]	KIT-UNLOADER (AIR COMPRESSOR)

#SEBP21810018

4P-1912: AIR COMPRESSOR GP

AIR COMPRESSOR GP

4P-1912 AIR COMPRESSOR GP
S/N 6AB1428-99999; 6BB1235-99999
13 CFM, DRIVE RATIO 1:1
PART OF 321-6315 ENGINE AR

i00158194 SEBP2181

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	129-3948	[1]	SEAL-INTEGRAL
2.	354-7532 Y	[1]	AIR COMPRESSOR GP
3.	1D-4569	[1]	BOLT (1/2-13X4.25-IN)
4.	1F-7958	[1]	NUT-FULL (1/2-13-THD)
5.	5P-8245	[3]	WASHER-HARD (13.5X25.5X3-MM THK)
6.	9X-8873	[1]	BOLT (1/2-13X2.25-IN)
	Y		SEPARATE ILLUSTRATION

#SEBP21810019

4W-6425: AIR COMPRESSOR GP

AIR COMPRESSOR GP

4W-6425 AIR COMPRESSOR GP
S/N 6AB1428-99999; 11N1-99999; 70V34826-99999
PART OF 1N-2981 AIR COMPRESSOR GP

i00122137 SEBP2181

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Parts for your 621E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-7448	[1]	GASKET
2.	7N-7447	[1]	HEAD AS-COMPRESSOR
3.	0S-1619	[5]	BOLT (3/8-16X3-IN)
4.	4W-9479	[1]	MANIFOLD-EXHAUST
	1S-7107	[1]	GASKET
5.	0L-1352	[1]	BOLT (3/8-16X3.25-IN)
	5M-2894	[1]	WASHER-HARD (10.2X18.5X2.5-MM THK)
6.	2B-2695	[2]	BOLT (5/16-18X0.875-IN)
7.	3B-4505	[8]	LOCKWASHER
8.	7N-7450	[1]	COVER-UNLOADER
	7N-7451	[1]	GASKET-UNLOADER
9.	0S-1615	[2]	BOLT (1/4-20X0.75-IN)
	3B-4504	[2]	LOCKWASHER
10.	2B-0858	[1]	PLUG-PIPE
11.	7N-7441	[1]	COVER-AIR COMPRESSOR
	7N-7442	[1]	GASKET
12.	1B-8714	[1]	KEY-WOODRUFF
13.	034-4160	[4]	BOLT-LOCKING (5/16-18X1-IN)
14.	5M-6214	[1]	PLUG (1/8-27 PTF)
15.	0S-1617	[6]	BOLT (5/16-18X0.75-IN)
16.	7N-7439	[1]	PLATE-COVER
	7N-7440	[1]	GASKET
17.	8H-9789	[2]	BALL BEARING
18.	4W-6706	[1]	CRANKSHAFT-AIR COMPRESSOR
19.	4W-6681	[1]	CRANKCASE GP-AIR COMPRESSOR
20.	1A-2029	[6]	BOLT (3/8-16X1.125-IN)
	3B-4506	[6]	LOCKWASHER
21.	4B-4845	[2]	PLUG (PIPE)
22.	7N-7445	[1]	CYLINDER BLOCK
	7N-7446	[1]	GASKET
23.	4W-9489 C	[1]	RING-LOCK

			AVAILABLE REPAIR KIT(S):
	7N-7435	[1]	KIT-AIR COMPRESSOR (MAJOR REPAIR)
			(INCLUDES STOPS, SPRINGS, SEATS, GUIDES, GASKETS, ETC)
	4P-6409 C	[1]	KIT-PIN (AIR COMPRESSOR)
	144-0503	[1]	KIT-PISTON & RING (STANDARD)(AIR COMPRESSOR)
			(INCLUDES BUTTONS, PIN, PISTON & RING KIT-PISTON)
	138-2887	[1]	KIT-ROD & BEARING (AIR COMPRESSOR)
			(INCLUDES ROD AS. & BEARING KIT)
	144-0502	[1]	KIT-PISTON RING (STANDARD)(AIR COMPRESSOR)
			(INCLUDES ENVELOPE-RINGS & RINGS-PISTON)
	C		CHANGE FROM PREVIOUS TYPE

Information:

ENGINE ARRANGEMENT

ENGINE AR

Truck Engine News

Service Magazines, Engine News, and Truck Engine News Articles Moved from Dealer.cat.com to SISweb {0374, 1000, 7000}
2015/09/18

Engine News

Improved Registration Process for Retrofit Products {1000, 7000}
2011/04/15

Service Magazines, Engine News, and Truck Engine News Articles Moved from Dealer.cat.com to SISweb {0374, 1000, 7000}
2015/09/18

Procedure for Cleaning an Engine Lubrication System when Contaminated with Engine Coolant Containing Antifreeze {1000, 1348, 1395}
Procedure for Cleaning an Engine Lubrication System when Contaminated with Engine Coolant Containing Antifreeze {1000, 1348, 1395}

Special Instruction

Guideline for Proper Gasket Handling and Installation {0599, 0648, 0681, 1000, 7555}
Guideline for Proper Gasket Handling and Installation {0599, 0648, 0681, 1000, 7555}

Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}

Technical Information Bulletin

A Recommendation for Initial Parts Stock Quantities Will Now Be Included in Service Letters{1000, 7000, 7751, 7752}
A Recommendation for Initial Parts Stock Quantities Will Now Be Included in Service Letters{1000, 7000, 7751, 7752}

Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}

368-9910 Multi-Tool Group with the 368-9911 Burn Rate Group Accuracy Issue{0599, 0701, 0702, 0706, 1000, 7610, 7620}
368-9910 Multi-Tool Group with the 368-9911 Burn Rate Group Accuracy Issue{0599, 0701, 0702, 0706, 1000, 7610, 7620}

Tool Operating Manual

Using the 1U-8860 Large Engine Blowby Pickup Group and the 8T-2700 Blowby/Airflow Indicator{0781, 0785, 1000}
Using the 1U-8860 Large Engine Blowby Pickup Group and the 8T-2700 Blowby/Airflow Indicator{0781, 0785, 1000}

142-6893 Adjustable Lifting Bracket Group{0599, 0629, 0632, 0701, 0717, 1000, 4000, 7000}
142-6893 Adjustable Lifting Bracket Group{0599, 0629, 0632, 0701, 0717, 1000, 4000, 7000}

Reuse And Salvage Guidelines

Reuse and Testing of Fuel Injection Pump Housing {0374, 1000, 1250, 1300}
Reuse and Testing of Fuel Injection Pump Housing {0374, 1000, 1250, 1300}

Contamination Control of Rebuilt Engines by Using a Particle Counting Process Patent Pending{1000, 1300}
Contamination Control of Rebuilt Engines by Using a Particle Counting Process Patent Pending{1000, 1300}

HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}

Guideline for Proper Gasket Handling and Installation {0599, 0648, 0681, 1000, 7555}
Guideline for Proper Gasket Handling and Installation {0599, 0648, 0681, 1000, 7555}

Reuse and Salvage Guidelines Subscriptions {0374, 0599, 1000, 7000}
Reuse and Salvage Guidelines Subscriptions {0374, 0599, 1000, 7000}

Scrap Barrel Analysis {0374, 0599, 0700, 0701, 0738, 1000, 7000}
Scrap Barrel Analysis {0374, 0599, 0700, 0701, 0738, 1000, 7000}

Contamination Control Guidelines

Applied Failure Analysis

Failure Analysis Report - AFA Good Report {0374, 1000}
Failure Analysis Report - AFA Good Report {0374, 1000}

Reference Guide for a Proper Failure Analysis by CAT Dealer {0374, 1000}
Reference Guide for a Proper Failure Analysis by CAT Dealer {0374, 1000}

Product Evaluation Report - AFA Bad Report {0374, 1000}
Product Evaluation Report - AFA Bad Report {0374, 1000}

Service Magazine

A New Screen In The TMI System Provides The Status Of Emission Certification Of Engines {1000}
2001/01/08

Caterpillar's Position On The Use Of Biodiesel Fuel In Caterpillar Engines {1000}
2012/08/28

A List Of Contacts For Caterpillar Product Support Is Available {1000, 4450, 7000}
2002/03/25

Proper Long Term Storage of Caterpillar Products {0355, 1000, 7000}
2009/04/27

Changes To Caterpillar Incident Reporting Field Use Form And DSN Incident Report Entry Screens {1000, 7000}
2009/11/18

Redesigned Fluid Sampling Valves Are Now Available for All Cat Products {7542}
2011/02/11

Improved Registration Process for Retrofit Products {1000, 3000, 7000, 7570}
2011/02/17

TA2 (Technical Analysis) Inspections are Now Available on SIS {0372, 1000, 7000, 753T, 7565}
2013/01/10

Service Magazines, Engine News, and Truck Engine News Articles Moved from Dealer.cat.com to SISweb {0374, 1000, 7000}
2015/09/23

Caterpillar Parts SIS Catalog 621E :

321-6314 ENGINE AR

321-6313 ENGINE AR

137-7550 ENGINE AR

312-2925 CONVERSION AR-ENGINE

312-2924 CONVERSION AR-ENGINE

8X-1656 SCRAPER AR

8X-1592 GENERAL AR-TRACTOR

8X-1633 CHASSIS AR

321-6316 ENGINE AR

7E-3421 ENGINE AR

4P-3804 INSTALLATION AR-ENGINE

1N-2981 AIR COMPRESSOR GP

354-7532 AIR COMPRESSOR GP

4P-0676 AIR COMPRESSOR GP

4P-1912 AIR COMPRESSOR GP

Truck sale:

On Request

Caterpillar 621E, Construction
- Scrapers
THOMPSON TRACTOR CO., INC.

30,000

Caterpillar 621E, Construction
- Scrapers
ALTORFER INC.

Caterpillar 621E, Construction
- Scrapers
BERGERAT MONNOYEUR S.A.S.
France