138-6256 KIT-SEAL -UNIT INJECTOR HYDRAULIC PUMP S/N 99C9902-UP PART OF 235-2026 PUMP GP-UNIT INJECTOR HYD 631E

FUEL SYSTEM

PUMP GP-UNIT INJECTOR HYD

0. 138-6256 KIT-SEAL

LINES GP-FUEL

1. 270-4516 LINES GP-F
2. 126-4037 LINES GP-F

PUMP GP-UNIT INJECTOR HYD

3. 121-4034 LINES GP-I
4. 126-7292 PUMP & MTG

PUMP GP-FUEL INJECTION

5. 206-2630 PUMP GP-FU

PUMP GP-UNIT INJECTOR HYD

6. 235-2024 PUMP GP-UN
7. 235-2026 PUMP GP-UN

VALVE GP-CHECK

8. 327-0376 VALVE GP-C
9. 327-4448 VALVE GP-C
0. INFORMATION

WHEEL TRACTOR 631E WHEEL TRACTOR 1AB
3408E Engine Emissions Retrofit Repower Tier I For 631E And 637E Wheel Tractor Scraper 1AB00001-UP (MACHINE) SEBP5516 631E 1AB (1985)

FUEL SYSTEM

PUMP GP-UNIT INJECTOR HYD

125-3428 DRIVE GP-UNIT INJ HYD PUMP

180-6649 DRIVE GP-UNIT INJ HYD PUMP

166-5985 KIT-COMPENSATOR

138-6256 KIT-SEAL

121-4034 LINES GP-INJECTOR HYD PUMP

126-7292 PUMP & MTG GP-UNIT INJ HYD

235-2024 PUMP GP-UNIT INJECTOR HYD

235-2026 PUMP GP-UNIT INJECTOR HYD

161-2309 VALVE GP-FUEL

190-0016 VALVE GP-FUEL

#SEBP55160080

138-6256: KIT-SEAL

KIT-SEAL

138-6256 KIT-SEAL -UNIT INJECTOR HYDRAULIC PUMP
S/N 99C9902-UP
PART OF 235-2026 PUMP GP-UNIT INJECTOR HYD

i01166964 SEBP5516

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	109-9685	[4]	SEAL-O-RING
2.	033-5853	[3]	SEAL-O-RING
3.	109-3206	[1]	SEAL-O-RING
4.	033-6042	[4]	SEAL-O-RING
5.	108-5803	[1]	SEAL-O-RING
6.	6V-5142	[2]	SEAL-O-RING
7.	9X-7680	[6]	SEAL-O-RING
8.	033-6027	[2]	SEAL-O-RING
9.	033-6039	[1]	SEAL-O-RING
10.	133-1705	[1]	GASKET-HOUSING
11.	6V-8676	[1]	SEAL-O-RING
12.	135-2655	[2]	SEAL-O-RING
13.	135-2652	[1]	SEAL-O-RING

#SEBP55160081

270-4516: LINES GP-FUEL

LINES GP-FUEL

270-4516 LINES GP-FUEL
S/N 1AB1-UP; 1FB1-UP; 1JB1-UP
PART OF 371-6494 INSTALLATION GP-ENGINE

i02387726 SEBP5516

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5P-4961	[1]	CLAMP-HOSE
2.	8T-6724	[1]	VALVE-BALL
3.	8X-6541 I	[1]	HOSE AS
4.	9X-3982	[1]	ELBOW
5.	125-1211 I	[1]	HOSE AS
6.	125-1212 I	[1]	HOSE AS
7.	125-1213 I	[1]	HOSE AS
8.	125-1214 I	[1]	HOSE AS
10.	167-1795	[1]	ELBOW AS
	8T-3491	[1]	ELBOW
	3D-2824	[1]	SEAL-O-RING
11.	169-5863	[1]	ADAPTER AS
	7X-7945	[1]	ADAPTER (9/16-18-THD)
	4J-5477	[1]	SEAL-O-RING
12.	183-6187	[1]	VALVE GP-SHUTOFF (MANUAL)(FUEL SUPPLY)
	6V-8358	[1]	VALVE-BALL (MANUAL SHUTOFF)
	3D-2824	[1]	SEAL-O-RING
13.	270-4383	[1]	SUPPORT AS
	1F-0750	[1]	NUT-WELD (3/8-16-THD)
14.	067-3045	[10]	CLIP
15.	148-8307	[1]	ADAPTER AS
	5P-8874	[1]	ADAPTER
	3J-1907	[1]	SEAL-O-RING
16.	148-8327	[1]	CONNECTOR AS
	6V-8637	[1]	CONNECTOR
	3D-2824	[1]	SEAL-O-RING
	6V-9746	[1]	SEAL-O-RING
17.	148-8364	[1]	ELBOW AS
	6V-8625	[1]	ELBOW
	3K-0360	[1]	SEAL-O-RING
	6V-8398	[1]	SEAL-O-RING
18.	148-8368	[1]	ELBOW AS
	6V-8627	[1]	ELBOW
	3J-1907	[1]	SEAL-O-RING
	4J-5477	[1]	SEAL-O-RING
19.	148-8375	[1]	ELBOW AS
	6V-8981	[1]	ELBOW
	6V-8398	[2]	SEAL-O-RING
20.	148-8376	[1]	ELBOW AS
	6V-8983	[1]	ELBOW
	6V-9746	[2]	SEAL-O-RING
21.		[1]	PLUG AS
	9S-4183	[1]	PLUG (1-1/16-12-THD)
	3D-2824	[1]	SEAL-O-RING
22.	148-8455	[1]	UNION AS
	6V-8997	[1]	UNION
	6V-9746	[2]	SEAL-O-RING
23.	148-8457	[1]	UNION AS (STRAIGHT)
	6V-8995	[1]	UNION (STRAIGHT)
	6V-8398	[2]	SEAL-O-RING
24.	1S-0994	[10]	CLIP (LOOP)
25.	2P-1279	[1]	LOCKNUT (9/16-18-THD)
26.	2P-1293	[2]	LOCKNUT (1-3/16-12-THD)
27.	3K-0360	[2]	SEAL-O-RING
28.	5P-1075	[12]	WASHER-HARD (10.2X22.5X3-MM THK)
29.	246-2641	[1]	PADLOCK GP (FUEL LINE)
	5P-8500	[2]	KEY
30.	5S-7379	[12]	BOLT (3/8-16X0.875-IN)
31.	6D-3479	[2]	CLIP
32.	6V-9169	[2]	NUT (13/16-16-THD)
33.	5P-1442 E		HOSE (38-CM)
34.	330-2175	[1]	FITTING-FUEL (WITH FILTER)
35.	3D-2824	[1]	SEAL-O-RING
36.	5K-1094	[2]	LOCKWASHER (21X33.4X1.3-MM THK)
37.	2H-3926	[2]	LOCKWASHER
	E		ORDER BY THE CENTIMETER
	I		REFER TO HYDRAULIC INFORMATION SYSTEM

#SEBP55160082

126-4037: LINES GP-FUEL FILTER

LINES GP-FUEL FILTER

126-4037 LINES GP-FUEL FILTER
S/N 99C9902-UP

i02527316 SEBP5516

1264037 LINES GP-FUEL FILTER Parts scheme

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-6696	[1]	TEE-O-RING
2.	125-6796 I	[1]	HOSE AS
3.	126-4035	[1]	TUBE AS
4.	125-6795 I	[1]	HOSE AS
5.	126-4036	[1]	TUBE AS
6.	125-6797 I	[1]	HOSE AS
7.	126-5481	[1]	BRACKET AS
8.	8P-5210	[1]	BRACKET
9.	0S-0509	[1]	BOLT (3/8-16X0.75-IN)
10.	6K-9194	[1]	ELBOW
11.	131-7875 I	[1]	HOSE AS
12.	396-0425	[1]	CONNECTOR AS
	8T-1779	[1]	CONNECTOR
	214-7568	[1]	SEAL-O-RING
	228-7089	[1]	SEAL-O-RING
13.	183-3399	[2]	CONNECTOR AS
			(EACH INCLUDES)
	6V-8636	[1]	CONNECTOR
	214-7568	[1]	SEAL-O-RING
	228-7089	[1]	SEAL-O-RING
15.	228-7089	[1]	SEAL-O-RING
16.	183-3407	[4]	PLUG AS
			(EACH INCLUDES)
	9S-8004	[1]	PLUG (9/16-18-THD)
	214-7568	[1]	SEAL-O-RING
17.	9M-1974	[2]	WASHER-HARD (8.8X16X2-MM THK)
18.	244-3712	[1]	PLUG AS
	9S-4191	[1]	PLUG (9/16-18-THD)
	214-7568	[1]	SEAL-O-RING
19.	9S-8752	[2]	NUT-FULL (3/8-16-THD)
20.	102-2240 Y	[1]	SENSOR GP-TEMPERATURE (FUEL)
21.	238-5080	[2]	SEAL-O-RING
22.	319-6213	[1]	CONNECTOR AS
	6V-8634	[1]	CONNECTOR
	228-7089	[1]	SEAL-O-RING
	238-5080	[1]	SEAL-O-RING
23.	8M-2773	[1]	CLIP (LOOP)
24.	5P-7854	[1]	CLIP
25.	0S-1594	[1]	BOLT (3/8-16X1-IN)
26.	9X-6458	[5]	WASHER-HARD (10.2X22.5X3-MM THK)
27.	319-6240	[2]	CONNECTOR AS
			(EACH INCLUDES)
	6V-9873	[1]	CONNECTOR
	214-7568	[1]	SEAL-O-RING
	228-7090	[1]	SEAL-O-RING
28.	0L-1351	[1]	BOLT (3/8-16X0.875-IN)
30.	1B-9575	[2]	BOLT (5/16-18X1.56-IN)
31.	327-4448 CY	[1]	VALVE GP-CHECK (FUEL)
32.	319-6226	[2]	ELBOW AS
			(EACH INCLUDES)
	8T-6876	[1]	ELBOW
	214-7568	[1]	SEAL-O-RING
	228-7090	[1]	SEAL-O-RING
33.	4B-0418	[2]	CLIP
34.	123-0555	[1]	MANIFOLD
	C		CHANGE FROM PREVIOUS TYPE
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	Y		SEPARATE ILLUSTRATION

#SEBP55160083

121-4034: LINES GP-INJECTOR HYD PUMP

LINES GP-INJECTOR HYD PUMP

121-4034 LINES GP-INJECTOR HYD PUMP
S/N 99C9902-UP

i00089906 SEBP5516

1214034 LINES GP-INJECTOR HYD PUMP Parts scheme

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	107-3202	[1]	TUBE AS
2.	280-7460	[1]	TUBE AS
3.	0S-1588	[1]	BOLT (3/8-16X1.25-IN)
4.	0L-1143	[2]	BOLT (3/8-16X2.5-IN)
5.	9L-9132	[1]	WASHER (10.2X25.5X2.5-MM THK)
6.	234-8937	[1]	SEAL-INTEGRAL
7.	6V-9009	[1]	ELBOW
8.	5P-7815	[1]	SEAL-O-RING
9.	9X-7734	[1]	SEAL-O-RING
10.	6V-8626	[1]	ELBOW
11.	152-2939	[2]	SEAL-O-RING
12.	152-2938	[4]	SEAL-O-RING
13.	6V-5134	[1]	SEAL-O-RING
14.	162-2501 I	[1]	HOSE AS
15.	6V-9003	[1]	ELBOW
16.	113-1921	[1]	ELBOW
17.	8S-0023	[1]	CLIP (SLOT)
18.	8S-0024	[1]	CLIP (TAB)
19.	3K-1470 B	[1]	SPACER (0.4X1X0.38-IN THK)
20.	258-8917	[1]	SLEEVE-PROTECTION
	B		USE AS REQUIRED
	I		REFER TO HYDRAULIC INFORMATION SYSTEM

#SEBP55160084

126-7292: PUMP & MTG GP-UNIT INJ HYD

PUMP & MTG GP-UNIT INJ HYD

126-7292 PUMP & MTG GP-UNIT INJ HYD
S/N 99C9902-UP

i02161933 SEBP5516

1267292 PUMP & MTG GP-UNIT INJ HYD Parts scheme

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4P-0707	[2]	CLAMP AS
			(EACH INCLUDES)
	307-8373	[1]	GROMMET
2.	106-0735 Y	[1]	SENSOR GP-TEMPERATURE (ENGINE OIL)
3.	118-8157	[1]	SUPPORT-PUMP
4.	494-1552	[1]	TUBE AS
5.	194-6725 Y	[1]	SENSOR GP-PRESSURE (ENGINE OIL)
6.	235-2024 CY	[1]	PUMP GP-UNIT INJECTOR HYD
7.	0L-2070	[1]	BOLT (3/8-16X2.25-IN)
8.	0S-1617	[4]	BOLT (5/16-18X0.75-IN)
10.	238-5080	[1]	SEAL-O-RING
11.	268-1605	[1]	ELBOW AS
	8T-1686	[1]	ADAPTER-ELBOW
	228-7090	[1]	SEAL-O-RING
	238-5080	[1]	SEAL-O-RING
12.	353-5112	[1]	ADAPTER AS
	9X-0262	[1]	ADAPTER
	214-7566	[2]	SEAL-O-RING
13.	5M-2894	[1]	WASHER-HARD (10.2X18.5X2.5-MM THK)
14.	5P-5855	[3]	BOLT-12 POINT HEAD (1/2-13X1.75-IN)
15.	5P-8245	[3]	WASHER-HARD (13.5X25.5X3-MM THK)
16.	6V-1197	[1]	SEAL-O-RING
18.	9M-1974	[4]	WASHER-HARD (8.8X16X2-MM THK)
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP55160085

206-2630: PUMP GP-FUEL INJECTION

PUMP GP-FUEL INJECTION

206-2630 PUMP GP-FUEL INJECTION
S/N 99C9902-UP

i02269517 SEBP5516

2062630 PUMP GP-FUEL INJECTION Parts scheme

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2P-3206	[4]	BOLT-WASHER HEAD (3/8-16X2-IN)
2.	1A-5964	[1]	BOLT (3/8-16X4.5-IN)
3.	119-1708	[1]	ELBOW
4.	232-1168 CY	[1]	INJECTOR GP-FUEL (PUMP)
5.	107-9326	[1]	CLAMP-INJECTOR
6.	3E-6747	[1]	SEAL-O-RING (33.99 MM ID)
7.	9X-7681	[1]	SEAL-O-RING (18.77 MM ID)
8.	116-7221	[2]	SEAL-RECTANGULAR
	C		CHANGE FROM PREVIOUS TYPE
	Y		SEPARATE ILLUSTRATION

#SEBP55160086

235-2024: PUMP GP-UNIT INJECTOR HYD

PUMP GP-UNIT INJECTOR HYD

235-2024 PUMP GP-UNIT INJECTOR HYD
S/N 99C9902-UP
PART OF 126-7292 PUMP & MTG GP-UNIT INJ HYD

i02088712 SEBP5516

2352024 PUMP GP-UNIT INJECTOR HYD Parts scheme

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	117-1620	[1]	COUPLING
2.	149-1950	[1]	PUMP GP-FUEL TRANSFER
3.	235-2026 Y	[1]	PUMP GP-UNIT INJECTOR HYD
4.	0S-1617	[4]	BOLT (5/16-18X0.75-IN)
5.	6V-8676	[1]	SEAL-O-RING
6.	262-9769	[2]	PLUG
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP55160087

235-2026: PUMP GP-UNIT INJECTOR HYD

PUMP GP-UNIT INJECTOR HYD

235-2026 PUMP GP-UNIT INJECTOR HYD
S/N 99C9902-UP
PART OF 235-2024 PUMP GP-UNIT INJECTOR HYD

i02765963 SEBP5516

2352026 PUMP GP-UNIT INJECTOR HYD Parts scheme

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8C-5748 M	[1]	BOLT (M8X1.25X55-MM)
2.	8S-8158	[1]	SEAL-WIRE
3.	133-1705 L	[1]	GASKET-HOUSING
4.	W	[1]	SHAFT
5.	161-2307	[1]	SEAT-SPRING
6.	161-2308	[1]	SPRING-YOKE
7.	161-2309 Y	[1]	VALVE GP-FUEL (PRESSURE COMPENSATOR)
8.	161-2312 W	[1]	YOKE AS
9.	W	[1]	BEARING
10.		[4]	BOLT-SOCKET HEAD (10-24X3.25-IN)
11.	165-1536 Y	[1]	VALVE GP-PRESSURE CONTROL (FUEL PUMP)
13.		[2]	COVER-PINTLE
14.	190-0016 Y	[1]	VALVE GP-FUEL (PRESSURE COMPENSATOR)
15.	201-4155	[1]	SEAL-LIP TYPE
16.	212-5800 W	[1]	ROTATING GP-PUMP
17.	239-2316	[8]	BOLT AS
			(EACH INCLUDES)
	9X-8256	[1]	WASHER (6.6X12X2-MM THK)
18.	254-7220	[1]	HOUSING GP-PUMP (HYDRAULIC)
	233-8136	[2]	VALVE-CHECK
19.	033-6039 L	[2]	SEAL-O-RING
20.	033-6042 L	[3]	SEAL-O-RING
21.	135-2652 L	[1]	SEAL-O-RING
22.	135-2655 L	[2]	SEAL-O-RING
23.	168-7999	[2]	PIN-SPRING
24.	6J-7855	[1]	RING-RETAINING
25.	6T-2130	[1]	RING-RETAINING
26.	6V-5218 M	[10]	BOLT (M8X1.25X35-MM)
27.	9S-8004	[3]	PLUG (9/16-18-THD)
28.	9X-7680 L	[5]	SEAL-O-RING
29.	8C-4983 E		LOCKWIRE (28-CM)
30.	BJN	[1]	PLUG-COMPENSATOR
31.	BJN	[1]	PLUG-COMPENSATOR
32.	BJN	[1]	PLUG-COMPENSATOR
33.	BJN	[1]	PLUG-COMPENSATOR
34.	BJ	[1]	PLUG-COMPENSATOR
35.	BJ	[1]	PLUG-COMPENSATOR
36.	BJ	[1]	PLUG-COMPENSATOR
37.	BJ	[1]	PLUG-COMPENSATOR
38.	BJ	[1]	PLUG-COMPENSATOR
39.	BJ	[1]	PLUG-COMPENSATOR
40.	BJ	[1]	PLUG-COMPENSATOR

			AVAILABLE REPAIR KIT(S):
	138-6256 LWY	[1]	KIT-SEAL (UNIT INJECTOR HYDRAULIC PUMP)
			(INCLUDES SEAL-O-RINGS)
	161-8627 J	[1]	KIT-PLUG
			(INCLUDES SEAL-O-RINGS & PLUG-COMPENSATOR)
	166-5985 NY	[1]	KIT-COMPENSATOR (UNIT INJECTOR HYDRAULIC PUMP)
			(INCLUDES PLUG-COMPENSATOR, SEAL-O-RING, & CAT FORMS)
	154-6735	[1]	KIT-BEARING
			(INCLUDES 2 YOKE BEARINGS)
	225-8545 W		KIT-PUMP
			(INCLUDES 138-6256 SEAL KIT & PISTON)
	B		USE AS REQUIRED
	E		ORDER BY THE CENTIMETER
	J		PARTS MARKED J SERVICED BY KIT MARKED J
	L		PARTS MARKED L SERVICED BY KIT MARKED L
	M		METRIC PART
	N		PARTS MARKED N SERVICED BY KIT MARKED N
	W		PARTS MARKED W SERVICED MY KIT MARKED W
	Y		SEPARATE ILLUSTRATION

#SEBP55160088

327-0376: VALVE GP-CHECK

VALVE GP-CHECK

327-0376 VALVE GP-CHECK -FUEL
S/N 99C9902-UP
PART OF 327-4448 VALVE GP-CHECK

i03597860 SEBP5516

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
1.	033-6033	[1]	SEAL-O-RING
2.	6V-6923	[1]	RING-BACKUP

#SEBP55160089

327-4448: VALVE GP-CHECK

VALVE GP-CHECK

327-4448 VALVE GP-CHECK
S/N 99C9902-UP
FUEL PRESSURE REGULATING
PART OF 126-4037 LINES GP-FUEL FILTER

i03597820 SEBP5516

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Parts for your 631E WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	327-0376 Y	[1]	VALVE GP-CHECK (FUEL)
2.	033-6027	[1]	SEAL-O-RING
	Y		SEPARATE ILLUSTRATION

Information:

FUEL SYSTEM

PUMP GP-UNIT INJECTOR HYD

Special Instruction

Removal And Installation Of The Hydraulic Electronic Unit Injectors{1290}
Removal And Installation Of The Hydraulic Electronic Unit Injectors{1290}

Installation Of The 174-8943 Sleeve Into The 3408E And 3412E Unit Injector Hydraulic Pump{1714}
Installation Of The 174-8943 Sleeve Into The 3408E And 3412E Unit Injector Hydraulic Pump{1714}

Installation Of The 033-6039 O-Ring Seal Into The 3408E And 3412E Unit Injector Hydraulic Pump{1251}
Installation Of The 033-6039 O-Ring Seal Into The 3408E And 3412E Unit Injector Hydraulic Pump{1251}

Installation of New Hose Assembly for Unit Injector Hydraulic Pump{1274, 1307, 1714}
Installation of New Hose Assembly for Unit Injector Hydraulic Pump{1274, 1307, 1714}

Service Letter-NACD

PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01
PSP FOR REPLACING THE HEUI HYDRAULIC PUMP GROUP OR INSTALLING A PUMP REPAIR KIT ON CERTAIN 3408E AND 3412E, 836, 24H, 669D, 771 D, 773D AND 775D, D9R AND 988F II AND 990 II, 834B, 631E, 633E, 637E, 651E AND 657E, PM-565 AND AD40 AND AE40 - PS5378 - MAILED US AND CANADA, CACO, COFA, CAPL, CCL, COSA- REVISED 03/01

Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines
Product Support Program For Installing An Improved Thrust Plate On Certain 988F And 990 Wheel Loaders, D9R Track-Type Tractors And 769D, 771D, 773D, And 775D Trucks, 631E, 633E, 637E, 651E And 657E Wheel Tractor Scrapers, 24H Motor Graders, 834B Wheel Tractor Scrapers, 24H Motor Graders, Pm565 Cold Planers, 834B Wheel Tractors And 3408E And 3412E Industrial Engines

Product Support Program For Installing A New Electronic Software Group On Certain 631E, 633E, 637E, 651E, And 657E Wheel Tractor Scrapers Equipped With A HEUI Engine And A Retarder
Product Support Program For Installing A New Electronic Software Group On Certain 631E, 633E, 637E, 651E, And 657E Wheel Tractor Scrapers Equipped With A HEUI Engine And A Retarder

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP DRIVE ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40, 69D, 73D, 769D, 7

PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,
PRODUCT SUPPORT PROGRAM FOR REPLACING THE HEUI PUMP GROUP ON CERTAIN 3408E AND 3412E POWERED 836 COMPACTORS; 834B AND 844 WHEEL DOZERS; 988F AND 990 WHEEL LOADERS; 5110B EXCAVATORS; 24H MOTOR GRADERS; 631E, 633E, 637E, 651E, AND 657E SCRAPERS; AD40, AE40,

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Technical Information Bulletin

Unit Injection Pump Group (HEUI Engine Hydraulic Oil Supply)
Unit Injection Pump Group (HEUI Engine Hydraulic Oil Supply)

Excessive Wear And Breakage Of 124-6639 Thrust Plate In 125-3427 Pump Drive Group (HEUI Hydraulic Pump Drive)
Excessive Wear And Breakage Of 124-6639 Thrust Plate In 125-3427 Pump Drive Group (HEUI Hydraulic Pump Drive)

Hydraulic Actuated Electronically Controlled Unit Injector (HEUI) Manifold In Engine Cylinder Head Group May Leak
Hydraulic Actuated Electronically Controlled Unit Injector (HEUI) Manifold In Engine Cylinder Head Group May Leak

Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Hydraulic Pump
Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Hydraulic Pump

Specifications

Injection Actuation Pressure Control Valve
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump
3408E and 3412E Engines for Caterpillar Built Machines

Hydraulic Pump Drive
3408E and 3412E Engines for Caterpillar Built Machines

Injection Actuation Pressure Sensor
3408E and 3412E Engines for Caterpillar Built Machines

Tool Operating Manual

Using the 4C-6090 Multichannel Temperature Selector Group{0599, 0701, 0706, 1251, 1254, 1290, 1713}
Using the 4C-6090 Multichannel Temperature Selector Group{0599, 0701, 0706, 1251, 1254, 1290, 1713}

Using the 143-2099 Sleeve Replacement Tool Group on 3114, 3116, and 3126 Engines{0374, 0599, 0701, 0706, 0781}
Using the 143-2099 Sleeve Replacement Tool Group on 3114, 3116, and 3126 Engines{0374, 0599, 0701, 0706, 0781}

Service Letter-China

Service Letter-Asia

Service Letter-APD

Disassembly and Assembly

Injection Actuation Pressure Sensor - Remove and Install
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump Drive - Remove
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump Drive - Install
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump Drive - Disassemble
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump Drive - Assemble
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump - Remove
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump - Install
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump - Disassemble
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Hydraulic Pump - Assemble
3408E and 3412E Engines for Caterpillar Built Machines

Injection Actuation Pressure Control Valve - Remove
3408E and 3412E Engines for Caterpillar Built Machines

Injection Actuation Pressure Control Valve - Install
3408E and 3412E Engines for Caterpillar Built Machines

Service Magazine

Seal Kits For Hydraulic Unit Injector Pump Groups Available {1250,1714}
1996/10/28

The 154-6732 Pump Kit Is Available To Help Service The Unit Injector Hydraulic Pump Group On 3408E (99C) And 3412E (80M) Machine Engines {1714}
1998/01/26

Priming The 144-0835 Unit Injector Hydraulic Pump{1714}
1998/07/20

New Steel Thrust Plate Replaces Bronze Thrust Plate In Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Pump Drive Groups {1714}
1998/07/27

New Plug Kit Improves Injection Actuation Pressure During Engine Cranking {1714}
1998/09/21

Compensator And Socket Head Bolts For 3408E And 3412E Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Hydraulic Pump Now Available{1714}
1998/11/16

Bearing Specifications For 3408E And 3412E Hydraulically Actuated Electronically Controlled Unit Injector (HEUI) Hydraulic Drive Group{1714}
1999/02/01

144-0835 Pump Enhancements {1714}
1999/05/03

Revised CD-ROM For Hydraulic Electronic Unit Injector (HEUI) Fuel System Available {0350}
1999/06/28

An Improved Unit Injector Hydraulic Pump is Available {1714}
2001/08/13

New High Pressure Oil Hose Assembly Offers Added Flexibility for Thermal Expansion {1714, 7554}
2002/11/18

Installation of a Protective Sleeve for the Hose on the Pump of the Hydraulic Electronic Unit Injector (HEUI) Fuel System is Now Used {1307, 1714}
2005/02/07

Troubleshooting the Injection Actuation Pressure on Unit Injector Hydraulic Pumps {1714}
2006/11/13

Caterpillar Parts SIS Catalog 631E :

166-5985 KIT-COMPENSATOR

232-1183 INJECTOR GP-FUEL

232-1168 INJECTOR GP-FUEL

423-8521 FILTER GP-WATER SEP & FUEL

225-4152 FILTER GP-FUEL

180-6649 DRIVE GP-UNIT INJ HYD PUMP

125-3428 DRIVE GP-UNIT INJ HYD PUMP

4W-1495 TURBOCHARGER GP

270-4516 LINES GP-FUEL

126-4037 LINES GP-FUEL FILTER

121-4034 LINES GP-INJECTOR HYD PUMP

126-7292 PUMP & MTG GP-UNIT INJ HYD

206-2630 PUMP GP-FUEL INJECTION

235-2024 PUMP GP-UNIT INJECTOR HYD

235-2026 PUMP GP-UNIT INJECTOR HYD

327-0376 VALVE GP-CHECK

Truck sale:

Caterpillar 631E
- Scrapers
TRACTOR & EQUIPMENT CO.

65.000

Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.

65.000

Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.

65.000

Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.

65.000

Caterpillar 631E, Schaber, Bau-Und Bergbauausrüstung
- Scrapers
CASHMAN EQUIPMENT CO.