9J7904 PUMP GP-AUXILIARY GEAR PART OF 6W6000 PUMP-AUXILIARY LINES AN ATTACHMENT 231D EXCAVATOR

HYDRAULIC SYSTEM

PUMP GP

0. 9J-7904 PUMP GP-AU
1. 9J-7903 PUMP GP-GE

LINES GP-PUMP

2. 6W-6324 SERVICE GP
3. 6W-6325 SERVICE GP

FRAME AND BODY

LINES GP

4. 6C-3016 LINES GP-G

HYDRAULIC SYSTEM

MOTOR GP

5. 6E-2307 MOTOR GP-P
6. 6E-2307 MOTOR GP-P
7. 6E-3394 MOTOR GP-P
8. 6E-3394 MOTOR GP-P

FILTER GP

9. 8J-7390 FILTER GP
0. INFORMATION

EXCAVATOR 231D EXCAVATOR 1NK
231D EXCAVATOR 1NK00001-UP (MACHINE) POWERED BY 3208 ENGINE SEBP1882 231D 1NK (1989)

HYDRAULIC SYSTEM

PUMP GP

6W-3988 COUPLING GP-PUMP

6W-6000 PUMP & LINES GP

9J-7904 PUMP GP-AUXILIARY GEAR

9J-7903 PUMP GP-GEAR

#SEBP18820430

9J-7904: PUMP GP-AUXILIARY GEAR

PUMP GP-AUXILIARY GEAR

9J7904 PUMP GP-AUXILIARY GEAR
PART OF 6W6000 PUMP-AUXILIARY LINES
AN ATTACHMENT

c332280 SEBP1882

9J7904 PUMP GP-AUXILIARY GEAR Parts scheme

For full view, you need register

Parts for your 231D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6J-2391	[8]	WASHER
2.	0S-1595	[8]	BOLT
3.	9T-1273 C	[1]	FLANGE AS-RH
4.	6J-2386 C	[2]	DOWEL
5.	9T-1281 C	[1]	BODY AS
6.	4T-8729 C	[2]	PLATE-PRESSURE
7.	4T-9298 C	[4]	BUSHING
8.	C	[1]	PLATE-ISOLATION
9.	4T-9425 C	[1]	PLATE-ISOLATION
10.	5S-1522	[2]	RING-SNAP
11.	3G-5991	[1]	COUPLING-SPLINE
12.	9T-1264 C	[1]	DRIVE SHAFT
13.	4T-8761 C	[1]	GEAR-IDLER

			THE FOLLOWING REPAIR
			KIT IS AVAILABLE:
	3G-5990	[1]	KIT-SEAL
			(INCLUDES SEALS,
			RINGS & RETAINER)
	C		CHANGE FROM PREVIOUS TYPE

#SEBP18820431

9J-7903: PUMP GP-GEAR

PUMP GP-GEAR

9J7903 PUMP GP-AUXILIARY GEAR
PART OF 4V9221 CONTROL-GRAPPLE
AN ATTACHMENT

c332331 SEBP1882

For full view, you need register

Parts for your 231D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9T-1267 C	[1]	GEAR-IDLER
2.	6J-2386 C	[2]	DOWEL
3.	4T-8764 C	[2]	PLATE-PRESSURE
4.	9T-1279 C	[1]	BODY AS
5.	4T-9298 C	[4]	BUSHING
6.	C	[1]	PLATE-ISOLATION
7.	4T-9425 C	[1]	PLATE-ISOLATION
8.	9T-1273 C	[1]	FLANGE AS-RH
9.	0S-1595	[8]	BOLT
	6J-2391	[8]	WASHER
10.	3G-5991	[1]	COUPLING-SPLINE
11.	5S-1522	[2]	RING-SNAP
12.	4T-8732 C	[1]	GEAR-DRIVE-REAR

			THE FOLLOWING REPAIR
			KIT IS AVAILABLE:
	3G-5990	[1]	KIT-SEAL
			(INCLUDES RETAINER,
			RING AND SEAL)
	C		CHANGE FROM PREVIOUS TYPE

#SEBP18820432

6W-6324: SERVICE GP-AUX PUMP LINES

SERVICE GP-AUX PUMP LINES

6W6324 SERVICE GP-AUXILARY PUMP LINES
FIELD INSTALLATION

c347009 SEBP1882

6W6324 SERVICE GP-AUX PUMP LINES Parts scheme

For full view, you need register

Parts for your 231D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3V-8860	[1]	ADAPTER
2.	6J-2680	[1]	SEAL-O-RING
3.	2A-1531	[4]	BOLT
	5P-8245	[4]	WASHER
4.	6W-6301	[1]	HOSE AS
5.	4J-0522	[2]	SEAL
6.	1P-4578	[4]	FLANGE
7.	3H-5368	[8]	BOLT
8.	5P-8244	[8]	WASHER
9.	6W-6323	[1]	HOSE AS
10.	4J-0520	[1]	SEAL
	1P-4577	[2]	FLANGE-HALF
11.	5M-2894	[8]	WASHER
12.	4J-5267	[1]	SEAL
	1P-4576	[2]	FLANGE
13.	0S-1588	[8]	BOLT
14.	3D-2824	[2]	SEAL-O-RING
	030-7950	[2]	ELBOW
15.	6W-4640	[1]	HOSE AS
16.	1H-7339	[1]	SEAL-O-RING
17.	1P-3705	[2]	SEAL
18.	0T-0768	[4]	BOLT
19.	4F-7226	[4]	BOLT
20.	4J-0519	[1]	SEAL
	3J-7479	[1]	COVER
	0L-1351	[4]	BOLT
21.	6W-6198	[1]	ELBOW
22.	2V-1724	[1]	TUBE AS
23.	9S-4184	[1]	PLUG-O-RING
	3D-2824	[1]	SEAL-O-RING

#SEBP18820433

6W-6325: SERVICE GP-AUX PUMP LINES

SERVICE GP-AUX PUMP LINES

6W6325 SERVICE GP-AUXILIARY PUMP LINES
FIELD INSTALLATION

c347018 SEBP1882

6W6325 SERVICE GP-AUX PUMP LINES Parts scheme

For full view, you need register

Parts for your 231D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6W-4999	[1]	ELBOW
2.	1H-7339	[1]	SEAL-O-RING
3.	3V-8860	[1]	ADAPTER
4.	6J-2680	[1]	SEAL-O-RING
5.	2A-1531	[4]	BOLT
	5P-8245	[4]	WASHER
6.	6W-6301	[1]	HOSE AS
7.	4J-0522	[4]	SEAL
	1P-4578	[8]	FLANGE
8.	5P-8244	[16]	WASHER
9.	6W-6302	[1]	HOSE AS
10.	3H-5368	[16]	BOLT
11.	3D-2824	[2]	SEAL-O-RING
	030-7950	[2]	ELBOW
12.	6W-4640	[1]	HOSE AS
13.	1P-3705	[2]	SEAL
14.	2V-1724	[1]	TUBE AS
15.	9S-4184	[1]	PLUG-O-RING
	3D-2824	[1]	SEAL-O-RING
16.	0T-0768	[4]	BOLT
17.	4F-7226	[4]	BOLT
18.	4J-0519	[1]	SEAL
	3J-7479	[1]	COVER
	0L-1351	[4]	BOLT

#SEBP18820434

6C-3016: LINES GP-GREASE

LINES GP-GREASE

6C3016 LINES GP-GREASE
PART OF 8R6448 BOOM AR-HOE
AN ATTACHMENT

c477486 SEBP1882

For full view, you need register

Parts for your 231D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3B-8488	[1]	FITTING
2.	6K-6967	[4]	ADAPTER-PIPE
3.	5K-9243	[1]	ELBOW-FLARED
4.	8M-2772	[1]	CLIP
	5M-3062	[1]	BOLT
5.	8T-4896	[9]	WASHER-HARD
6.	6C-3044	[1]	TUBE AS
7.	6L-3616	[1]	CONNECTOR-FLARED
8.	3B-8489	[4]	FITTING-GREASE
9.	6K-0806	[10]	STRAP-CABLE
10.	2D-1683	[3]	FITTING
11.	5S-7379	[4]	BOLT
	6V-8801	[4]	NUT
12.	5P-9297	[2]	CLIP
13.	2L-2685	[2]	CLIP
14.	9L-1775	[2]	BRACKET
15.	6C-3027	[2]	HOSE AS
16.	6C-3028	[1]	HOSE AS
17.	6W-7492	[1]	HOSE AS

#SEBP18820435

6E-2307: MOTOR GP-PISTON

MOTOR GP-PISTON

6E2307 MOTOR GP-PISTON-LINK-PART 1 OF 2
S/N 1NK1-246, 257-307
3G3256-PAGE 202

c508521 SEBP1882

For full view, you need register

Parts for your 231D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8J-0438	[1]	SPRING
	9T-8126	[1]	TUBE
2.	9T-8124	[1]	SHAFT
3.	5H-6005	[3]	SEAL-O-RING
4.	3G-3256 Y	[1]	VALVE GP-SHUTTLE
5.	1N-7543	[4]	BOLT-LOCKING
6.	9M-1974	[4]	WASHER
7.	6V-6633	[2]	BOLT
8.	4T-4038	[2]	RETAINER
9.	4T-4042	[2]	SPRING (50MM OD)
10.	4T-4041	[2]	SPRING (34.64MM OD)
11.	4T-4040	[2]	SPRING (68.52MM OD)
12.	1U-1967	[1]	BEARING-ROLLER
13.	9T-7605	[1]	BARREL AS
14.	2J-0157	[2]	SEAL-O-RING
15.	9T-5274	[2]	BOLT
	1D-5121	[2]	NUT-JAM
16.	4T-4160	[2]	BLOCK-BEARING
17.	3G-9714	[2]	SEAT-SPRING
18.	4T-4039	[2]	RETAINER
19.	9T-6526	[1]	UNIVERSAL JOINT AS
20.	9T-1311	[1]	BODY-MOTOR
	9S-8008	[4]	PLUG-O-RING
	3D-2824	[4]	SEAL-O-RING
21.	6E-2306	[1]	PLATE AS-DRIVE
22.	3G-3739	[9]	INSERT-BEARING
23.	5H-3182	[1]	PIN-SPRING
24.	1A-8063	[4]	BOLT
	5P-8248	[4]	WASHER-HARD
25.	3G-5940	[1]	NUT
26.	3F-5792	[1]	SEAL-O-RING
27.	3G-9705	[1]	PISTON
28.	1U-3998	[1]	SEAL AS
29.	7F-2122	[1]	SEAL-O-RING
30.	8J-6273	[9]	RING-RETAINING
31.	6J-7836	[2]	RING-SNAP
32.	8J-6276	[2]	RETAINER
33.	4T-1941	[2]	INSERT-BEARING
34.	1U-4805 R	[9]	PISTON AS
			(EACH INCLUDES)
35.	9J-8051	[1]	RETAINER
36.	6J-7836	[1]	RING-SNAP
37.	8J-6276	[1]	RETAINER
38.	8J-2559	[1]	PLATE-CAUTION
	4B-4158	[4]	SCREW
39.	9S-8005	[3]	PLUG-O-RING
	3K-0360	[3]	SEAL-O-RING
40.	1U-1095	[1]	RING-RETAINING
41.	3G-9708	[1]	LINK-PISTON
42.	4T-2060	[1]	SLEEVE
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP18820436

6E-2307: MOTOR GP-PISTON

MOTOR GP-PISTON

6E2307 MOTOR GP-PISTON-LINK-PART 2 OF 2
S/N 1NK1-246, 257-307

c625284 SEBP1882

For full view, you need register

Parts for your 231D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4T-3066	[1]	RETAINER
2.	0S-1566	[1]	BOLT
	8J-6236	[1]	LOCK
3.	5J-5794	[8]	BOLT
4.	7K-6058	[8]	BOLT-12 POINT HEAD
5.	9T-3469	[1]	HEAD-MOTOR
6.	8B-1312	[2]	DOWEL
7.	1P-3705	[2]	SEAL
8.	9T-4864	[1]	TRUNNION
9.	8T-4907 B		SEALANT
10.	3G-9726	[4]	SEAL
11.	3G-9725	[4]	RING-BACKUP
12.	6F-4718	[2]	SEAL-O-RING
13.	7M-1419	[2]	RACE-BEARING OUTER
14.	9J-0747	[1]	BEARING AS
15.	1H-5338	[1]	CUP-ROLLER BEARING
16.	2K-5097	[1]	CONE-ROLLER BEARING
17.	2B-2695	[6]	BOLT
	9M-1974	[6]	WASHER-HARD
18.	4T-1579	[1]	RETAINER
19.	8J-6239	[1]	LOCK-NUT
20.	8J-6277 B	[1]	SHIM 1.245MM(.049IN)THK
	8J-6278 B	[5]	SHIM .08MM(.003IN)THK
	8J-6279 B	[5]	SHIM .12MM(.005IN)THK
21.	1H-9696	[2]	SEAL-O-RING
22.	9T-4815	[2]	COVER
23.	5P-4255	[8]	BOLT-LOCKING
24.	1U-3999	[2]	ROTOR
25.	3G-2673	[1]	SEAL-LIP
26.	032-0680	[20]	BOLT-12 POINT HEAD
27.	9T-4814	[1]	PLATE-PORT
28.	3G-9718	[1]	COVER
29.	3G-9717	[2]	BOLT-STOP
30.	0S-0130	[1]	PIN
31.	7J-4169	[1]	RING-SNAP
32.	4T-2625	[1]	RETAINER
33.	4T-2675	[1]	RACE-THRUST
34.	4T-2603	[1]	BEARING-THRUST
35.	4T-2674	[1]	RACE-THRUST
36.	4T-2673	[1]	SPRING
37.	4T-2676	[1]	RETAINER
38.	035-2297	[1]	RING-RETAINING
39.	3G-9724	[4]	SEAL
40.	5P-8077	[4]	FLANGE-HALF
41.	8S-9092	[8]	BOLT
	5P-8247	[8]	WASHER-HARD
42.	8H-8819	[2]	BEARING-INNER
	B		USE AS REQUIRED

#SEBP18820437

6E-3394: MOTOR GP-PISTON

MOTOR GP-PISTON

6E3394 MOTOR GP-PISTON LINK-PART 1 OF 2
S/N 1NK247-256, 308-UP
3G3256-PAGE 202

c538686 SEBP1882

For full view, you need register

Parts for your 231D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8J-0438	[1]	SPRING
	9T-8126	[1]	TUBE
2.	9T-8124	[1]	SHAFT
3.	5H-6005	[3]	SEAL-O-RING
4.	3G-3256 Y	[1]	VALVE GP-SHUTTLE
5.	1N-7543	[4]	BOLT-LOCKING
6.	9M-1974	[4]	WASHER-HARD
7.	6V-6633	[2]	BOLT
8.	4T-4038	[2]	RETAINER
9.	4T-4042	[2]	SPRING (50MM OD)
10.	4T-4041	[2]	SPRING (34.64MM OD)
11.	4T-4040	[2]	SPRING (68.52MM OD)
12.	1U-1967	[1]	BEARING-ROLLER
13.	1U-1965 R	[1]	BARREL AS-CYLINDER
14.	2J-0157	[2]	SEAL-O-RING
15.	9T-5274	[2]	BOLT
	1D-5121	[2]	NUT-JAM
16.	4T-4160	[2]	BLOCK-BEARING
17.	3G-9714	[2]	SEAT-SPRING
18.	4T-4039	[2]	RETAINER
19.	9T-6526	[1]	UNIVERSAL JOINT AS
	2R-1256	[2]	RING-RETAINING
	6J-8253	[2]	SEAL-SLOTTED
20.	9T-1311	[1]	BODY-MOTOR
	9S-8008	[4]	PLUG-O-RING
	3D-2824	[4]	SEAL-O-RING
21.	3G-9708	[1]	LINK-PISTON
22.	4T-2060	[1]	SLEEVE
23.	5H-3182	[1]	PIN-SPRING
24.	1A-8063	[4]	BOLT
	5P-8248	[4]	WASHER-HARD
25.	3G-5940	[1]	NUT
26.	3F-5792	[1]	SEAL-O-RING
27.	3G-9705	[1]	PISTON
28.	1U-3998	[1]	SEAL AS
29.	7F-2122	[1]	SEAL-O-RING
30.	9X-8919	[9]	RING-RETAINING
31.	6J-7836	[2]	RING-SNAP
32.	8J-6276	[2]	RETAINER
33.	4T-1941	[2]	INSERT-BEARING
34.	1U-4805 R	[9]	PISTON AS
			(EACH INCLUDES)
35.	9J-8051	[1]	RETAINER
36.	6J-7836	[1]	RING-SNAP
37.	8J-6276	[1]	RETAINER
38.	8J-2559	[1]	PLATE-CAUTION
	4B-4158	[4]	SCREW
39.	9S-8005	[3]	PLUG-O-RING
	3K-0360	[3]	SEAL-O-RING
40.	1U-1095	[1]	RING-RETAINING
41.	6E-3393	[1]	PLATE AS-DRIVE
42.	3G-3739	[9]	INSERT-BEARING (30.066MM)OD
	4T-3259	[9]	INSERT-BEARING (30.193MM)OD
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP18820438

6E-3394: MOTOR GP-PISTON

MOTOR GP-PISTON

6E3394 MOTOR GP-PISTON-PART 2 OF 2
S/N 1NK247-256, 308-UP

c625282 SEBP1882

For full view, you need register

Parts for your 231D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4T-3066	[1]	RETAINER
2.	0S-1566	[1]	BOLT
	8J-6236	[1]	LOCK
3.	5J-5794	[8]	BOLT
4.	7K-6058	[8]	BOLT-12 POINT HEAD
5.	9T-3469	[1]	HEAD-MOTOR
6.	8B-1312	[2]	DOWEL
7.	1P-3705	[2]	SEAL
8.	9T-4864	[1]	TRUNNION
9.	8T-4907 B		SEALANT
10.	3G-9726	[4]	SEAL
11.	3G-9725	[4]	RING-BACKUP
12.	6F-4718	[2]	SEAL-O-RING
13.	7M-1419	[2]	RACE-BEARING OUTER
14.	9J-0747	[1]	BEARING AS
15.	1H-5338	[1]	CUP-ROLLER BEARING
16.	2K-5097	[1]	CONE-ROLLER BEARING
17.	2B-2695	[6]	BOLT
	9M-1974	[6]	WASHER-HARD
18.	4T-1579	[1]	RETAINER
19.	8J-6239	[1]	LOCK-NUT
20.	8J-6277 B	[1]	SHIM 1.245MM(.049IN)THK
	8J-6278 B	[5]	SHIM .08MM(.003IN)THK
	8J-6279 B	[5]	SHIM .12MM(.005IN)THK
21.	1H-9696	[2]	SEAL-O-RING
22.	9T-4815	[2]	COVER
23.	5P-4255	[8]	BOLT-LOCKING
24.	1U-3999	[2]	ROTOR
25.	3G-2673	[1]	SEAL-LIP
26.	032-0680	[20]	BOLT-12 POINT HEAD
27.	9T-8770 R	[1]	PLATE-PORT
28.	3G-9718	[1]	COVER
29.	3G-9717	[2]	BOLT-STOP
30.	0S-0130	[1]	PIN
31.	7J-4169	[1]	RING-SNAP
32.	4T-2625	[1]	RETAINER
33.	4T-2675	[1]	RACE-THRUST
34.	4T-2603	[1]	BEARING-THRUST
35.	4T-2674	[1]	RACE-THRUST
36.	4T-2673	[1]	SPRING
37.	4T-2676	[1]	RETAINER
38.	035-2297	[1]	RING-RETAINING
39.	3G-9724	[4]	SEAL
40.	5P-8077	[4]	FLANGE-HALF
41.	8S-9092	[8]	BOLT
	5P-8247	[8]	WASHER-HARD
42.	8H-8819	[2]	BEARING-INNER
	B		USE AS REQUIRED
	R		REMFG PART MAY BE AVAILABLE

#SEBP18820439

8J-7390: FILTER GP

FILTER GP

8J7390 FILTER GP
PART OF 8R4902 LINES-PUMP

c217086 SEBP1882

For full view, you need register

Parts for your 231D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-4686	[1]	PLUG-O-RING
2.	7J-5589 C	[1]	BOLT-FILTER
3.	8F-9206 C	[1]	SEAL-O-RING
4.	1H-8128	[1]	SEAL-O-RING
5.	5J-1095	[1]	SEAT-VALVE
6.	5J-1096	[1]	VALVE
7.	4J-0816	[1]	ELEMENT-FILTER (DISPOSABLE)
			-OR-
	3G-5653 CA	[1]	ELEMENT-FILTER (FIRE RESISTANT FLUID)
8.	9S-4191	[1]	PLUG-O-RING
9.	3J-1907	[2]	SEAL
10.	8J-7387	[1]	HOUSING AS
11.	3J-1997	[1]	RETAINER-SPRING
12.	7F-9802	[1]	SPRING
13.	3J-1162	[1]	SPRING
14.	2M-8729	[1]	PIN-SPRING
15.	8J-7389	[1]	COVER
	A		NOT PART OF THIS GROUP
	C		CHANGE FROM PREVIOUS TYPE

Information:

HYDRAULIC SYSTEM

PUMP GP

Special Instruction

Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Nexus Gear Pump Porting{5073}
Nexus Gear Pump Porting{5073}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Test Specifications for Vane Cartridges{0784, 5058, 5070}
Test Specifications for Vane Cartridges{0784, 5058, 5070}

Service Letter-NACD

The Hydraulic Pump Needs To Be Reworked On Certain 231D Excavators
The Hydraulic Pump Needs To Be Reworked On Certain 231D Excavators

Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

The Hydraulic Pump Needs To Be Reworked On Certain 231D Excavators
The Hydraulic Pump Needs To Be Reworked On Certain 231D Excavators

Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock

Service Letter-Americas

Service Letter-Brazil

Specifications

Hydraulic Pumps (Main System)
225D, 229D AND 231D EXCAVATORS HYDRAULIC SYSTEM

Hydraulic Pump (Pilot System)
225D, 229D AND 231D EXCAVATORS HYDRAULIC SYSTEM

Pump Actuator (Attachment)
225D, 229D AND 231D EXCAVATORS HYDRAULIC SYSTEM

Hydraulic Pumps (Main System)
225D & 231D EXCAVATORS HYDRAULIC SYSTEM

Hydraulic Pump (Pilot System)<BR> 1U1987
225D & 231D EXCAVATORS HYDRAULIC SYSTEM

Pump Actuator
225D & 231D EXCAVATORS HYDRAULIC SYSTEM

Tool Operating Manual

Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}

Service Letter-China

Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock

Service Letter-Asia

Reuse And Salvage Guidelines

Vane Type Hydraulic Pumps {5055}
Vane Type Hydraulic Pumps {5055}

Repair Process for Hydraulic Gear Pumps {5073}
Repair Process for Hydraulic Gear Pumps {5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}

Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}

Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}
Removing and Installing Bushings and Pressure Plates in Hydraulic Gear Pumps {5073}

Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}
Specifications For Hydraulic Piston Pump And Motor Components {3083, 3203, 3221, 3222, 4351, 5058, 5069, 5070, 5117}

General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}

Service Letter-APD

Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock
Certain 0R1722 Remanufactured Hydraulic Pump Barrel Assemblies Need To Be Removed From Parts Stock

Bench Test Procedures

Bench Test Procedure for Hydraulic Piston Pumps{5070}
Bench Test Procedure for Hydraulic Piston Pumps{5070}

Bench Test Procedure for Gear Pumps {5073}
Bench Test Procedure for Gear Pumps {5073}

Bench Test Procedure for Vane Pumps {5055}
Bench Test Procedure for Vane Pumps {5055}

Disassembly and Assembly

Oil Pump And Relief Valve
3208 VEHICULAR ENGINE FOR 225B & 229, 225D, 229D & 231D EXCA

Swivel Group
225D & 229D EXCAVATOR VEHICLE SYSTEMS

Pilot System Pump
225D & 229D EXCAVATOR VEHICLE SYSTEMS

Double Pump (Bent-Axis Piston)
225D & 229D EXCAVATOR VEHICLE SYSTEMS

Blocker Plates
225D & 231D EXCAVATORS VEHICLE SYSTEMS

Swivel Group
225D & 231D EXCAVATORS VEHICLE SYSTEMS

Pilot System Pump
225D & 231D EXCAVATORS VEHICLE SYSTEMS

Double Pump (Bent-Axis Piston)
225D & 231D EXCAVATORS VEHICLE SYSTEMS

Service Magazine

Use FT1612 Pump Tool To Adjust Servo Valve In Piston Type Hydraulic Pump{0654,5070}
1981/05/25

Remanufactured Caterpillar Piston Pump And Motor Barrels Available{5070,3208,4351,5058}
1990/12/17

New O-ring Seal Used In Mounting And Pump Group For Swing And Pilot Gear Pump{5073}
1991/01/28

New Service Parts Available For 9T3712 Pump Groups{5070}
1993/08/16

New Engine To Hydraulic Pump Coupler Has Better Service Life {5062}
1993/10/04

Removal of Thread Lock When Servicing Implement Pumps{0649,5070}
1993/11/09

Information Release Memo PELE0401 Has Information About Remanufactured Hydraulic Piston Pump And Piston Motor Groups {0374,4134,4136,4351,5058,5070,5080,5314,5315,5473}
1994/12/26

High Strength Screws Retain Pump And Motor Retraction Plate For Rotating Pump Groups {5431,5058,5070}
1997/03/24

Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

New Hydraulic Pump Pressure Plates are Now Available for Certain Excavators and Wheeled Excavators {5073}
New Hydraulic Pump Pressure Plates are Now Available for Certain Excavators and Wheeled Excavators {5073}

Caterpillar Parts SIS Catalog 231D :

6W-6000 PUMP & LINES GP

6E-0829 ACTUATOR GP

6W-3988 COUPLING GP-PUMP

9T-4221 SHAFT GP

9T-4222 SHAFT GP-STUB

6E-1700 ROTATING GP-MOTOR

9T-3870 ROTATING GP-PUMP

9T-3714 ROTATING GP-PUMP

9J-7903 PUMP GP-GEAR

6W-6324 SERVICE GP-AUX PUMP LINES

6W-6325 SERVICE GP-AUX PUMP LINES

6C-3016 LINES GP-GREASE

6E-2307 MOTOR GP-PISTON

6E-3394 MOTOR GP-PISTON

Truck sale:

USD $25,000

CAT 231D

Bryan Cook Trucks,LLC
Florien, Louisiana

USD $27,500

1991 CAT 231D

Michigan CAT
Novi, Michigan

USD $19,500

1990 CAT 231D

Blue Point Sales & Metals
Las Vegas, Nevada

USD $29,900

1992 CAT 231D

Affordable Trucks & Equipment
Narrows, Virginia

USD $29,500

1991 CAT 231D

Michigan CAT
Novi, Michigan