POWER CONTROL INPUT SHAFT (6D3960 N/S) 12F MOTOR GRADER

HYDRAULIC SYSTEM

CONTROL GP-POWER

0. 6D-3960 POWER CONT
1. 6D-5720 POWER CONT
2. 7D-2660 POWER CONT
3. 7D-2660 POWER CONT
4. 7D-2660 POWER CONT
5. 7D-2660 POWER CONT
6. 6D-6000 LEANING WH

VALVE GP-CONTROL

7. 6J-6701 CONTROL VA

PUMP GP

8. 6D-8202 GEAR PUMP

VALVE GP-CONTROL

9. 7J-9283 CONTROL VA
0. INFORMATION

MOTOR GRADER 12F MOTOR GRADER 89H
NO. 12F MTR. GRADER 89H01538-UP (MACHINE) UEG0756S 12F 89H (1968)

HYDRAULIC SYSTEM

CONTROL GP-POWER

6D-3960 POWER CONTROL INPUT SHAFT

6D-5720 POWER CONTROL OUTPUT SHAFT

7D-2660 POWER CONTROL

6D-6000 LEANING WHEEL CONTROL

#UEG0756S0210

6D-3960: POWER CONTROL INPUT SHAFT

POWER CONTROL INPUT SHAFT

POWER CONTROL INPUT SHAFT (6D3960 N/S)

c103621 UEG0756S

6D3960 POWER CONTROL INPUT SHAFT Parts scheme

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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
1H-8028	[1]	YOKE ASSEM.
		(PART OF SHAFT ASSEM. 6D5922)
2D-3765	[2]	SPIDER & BEARING ASSEM.
		(PART OF SHAFT ASSEM. 6D5922)
5B-0935	[1]	FITTING
		(PART OF YOKE ASSEM. 1H8028)
1H-8036	[4]	PLATE (LOCK)
4H-6955	[8]	WASHER
		(4 IN EACH SPIDER & BEARING ASSEM. 2D3765)
1H-8034	[1]	WASHER
1H-8033	[1]	WASHER (CORK)
1H-8032	[1]	RETAINER
		(PARTS OF SHAFT ASSEM. 6D5922)
6D-5922	[1]	SHAFT ASSEM.
6D-5926	[1]	TUBE ASSEM.
		(PART OF SHAFT ASSEM. 6D5922)
1H-8027	[4]	RING
		(2 IN EACH SPIDER & BEARING ASSEM. 2D3765)
1H-8035	[8]	BOLT

#UEG0756S0211

6D-5720: POWER CONTROL OUTPUT SHAFT

POWER CONTROL OUTPUT SHAFT

POWER CONTROL OUTPUT SHAFT (6D5720 N/S)
8D1502, 8D1567, 6D3414, 7D6842, 8D1501 and 8D1563 Joint Parts are shown on Pages 110, 156 and 157

c142691 UEG0756S

6D5720 POWER CONTROL OUTPUT SHAFT Parts scheme

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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6D-8034	[4]	JOINT ASSEM.
	7D-3799	[1]	YOKE
2.	6D-2529	[1]	SPIDER AND BEARING ASSEM.
	2D-7030	[4]	SEAL
	1H-8027	[2]	RING
3.	7D-1745	[3]	SHAFT ASSEM.
	6D-7948	[1]	SHAFT
4.	7D-1985	[1]	JOINT ASSEM.
			Includes:
	8D-1501 Y	[1]	JOINT ASSEM.
			-OR-
	8D-1563 Y	[1]	JOINT ASSEM.
			(Separate Illustration)
5.	7D-1747	[1]	SHAFT ASSEM.
	6D-8295	[1]	SHAFT
6.	7D-1985	[1]	JOINT ASSEM.
			Includes:
	8D-1501 Y	[1]	JOINT ASSEM.
			-OR-
	8D-1563 Y	[1]	JOINT ASSEM.
			(Separate Illustration)
7.	0S-1618	[9]	BOLT
	3B-4505	[9]	LOCKWASHER
8.	7D-4521	[2]	SHAFT (Blade Lift)
9.	1B-8714	[4]	KEY
10.	8D-0989	[1]	BEARING ASSEM.
11.	1B-0581	[16]	BOLT
	6D-2535	[8]	STRAP
	6D-2534	[8]	PLATE
12.	0S-1571	[2]	BOLT
	3B-4506	[2]	LOCKWASHER
13.	9S-1354	[4]	NUT
	3B-4510	[4]	LOCKWASHER
14.	9D-1373 C	[2]	BEARING ASSEM.
	9D-1372	[1]	BEARING
15.	1A-2029	[4]	BOLT
16.	3B-4506	[4]	LOCKWASHER
17.	7D-1742	[1]	SHAFT ASSEM.
	5D-8106	[1]	SHAFT
18.	7D-2058	[1]	JOINT ASSEM.
			Includes:
	8D-1502	[1]	JOINT ASSEM.
			-OR-
	8D-1567 Y	[1]	JOINT ASSEM.
			(Separate Illustration)
19.	3B-8488	[1]	FITTING
20.	6D-3483	[1]	SHAFT (Circle Reverse)
21.	7D-4524	[2]	COUPLING ASSEM.
22.	7D-2347	[1]	PIN
23.	5D-0663	[20]	SHIM
24.	3B-8489	[3]	FITTING
25.	6D-3412	[1]	SHAFT ASSEM.
	6D-3411	[1]	TUBE
	6D-3413	[1]	SLEEVE
26.	7D-7012	[1]	JOINT ASSEM.
			Includes:
	6D-3414 Y	[1]	JOINT ASSEM.
			-OR-
	7D-6842 Y	[1]	JOINT ASSEM.
			(Separate Illustration)
27.	1D-4717	[2]	NUT
28.	4B-4278	[4]	WASHER
29.	6D-4196	[3]	BEARING ASSEM.
	5D-3546	[3]	COLLAR
	3H-7180	[3]	SETSCREW
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION

#UEG0756S0212

7D-2660: POWER CONTROL

POWER CONTROL

POWER CONTROL (7D2660 N/S)-Part 1 of 4

c154497 UEG0756S

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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1B-8704	[4]	KEY
2.	5D-8556	[2]	LEVER (L.H.)
3.	0S-1571	[4]	BOLT
4.	6D-0679	[4]	KNOB
5.	5D-8555	[2]	LEVER
6.	1B-2886	[15]	BOLT
7.	3B-4508	[21]	LOCKWASHER
8.	9S-6130	[3]	PLUG
9.	2S-4078	[3]	SEAL
10.	7D-0243	[1]	COVER ASSEM.
11.	1D-4719	[6]	NUT
12.	6D-6197	[2]	SHIM .005 in. (0.13 mm) thick
	6D-6198	[3]	SHIM .010 in.(0.26 mm) thick
13.	6D-1733	[1]	CONE
14.	6D-1734	[1]	CUP
15.	7D-2637	[1]	GEAR (24 teeth)
16.	6D-6195	[1]	CARRIER
17.	6D-6192	[1]	GEAR (28 Teeth)
	1B-8714	[1]	KEY
18.	6D-6193	[2]	SHIM .005 in. (0.13 mm) thick
	6D-6194	[1]	SHIM .010 in. (0.26 mm) thick
19.	1H-8037	[1]	YOKE
20.	2K-4821	[1]	NUT
21.	2J-8333	[1]	SEAL
22.	2H-0929	[3]	CUP
23.	2H-0930	[3]	CONE
24.	6D-6196	[1]	WORM
25.	2H-6338	[1]	SEAL
26.	5F-5434	[1]	VENT ASSEM.
	2D-1683	[1]	FITTING
27.	6D-6204	[1]	COVER ASSEM.
28.	2L-9315	[1]	GUIDE
29.	6D-6202	[1]	GASKET
30.	0S-1594	[13]	BOLT
31.	7H-1861	[4]	LOCK
32.	6D-6199	[1]	CAGE
33.	9S-4190	[3]	PLUG
	2M-9780	[3]	SEAL
34.	3B-4506	[12]	LOCKWASHER
35.	6D-6182	[1]	PLUNGER ASSEM.
36.	0S-1625	[6]	BOLT
	1D-4720	[6]	NUT
	3B-4510	[6]	LOCKWASHER
37.	4J-4742	[1]	BODY ASSEM.
	7M-8485	[1]	SEAL
38.	2M-4453	[2]	SEAL
39.	9S-8004	[4]	PLUG
	3J-1907	[4]	SEAL
40.	0L-1351	[3]	BOLT
41.	7D-3901	[2]	SHIM .003 in. (0.08 mm) thick
42.	7D-3899	[2]	SHIM .003 in. (0.08 mm) thick

#UEG0756S0213

7D-2660: POWER CONTROL

POWER CONTROL

POWER CONTROL (7D2660 N/S)-Part 2 of 4
6D8202 Pump parts are shown on Page 165

c131429 UEG0756S

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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2H-5330	[8]	BOLT
2.	3B-4506	[18]	LOCKWASHER
3.	6D-3928	[2]	HOUSING ASSEM.
	2D-8641	[2]	PIN
			(1 in each 6D3928 Housing Assem.)
	6D-3929	[2]	GASKET
4.	1B-8704	[4]	KEY
5.	4J-3044	[4]	BEARING
6.	5D-8553	[4]	LEVER
	4D-5531	[4]	BOLT
7.	4K-4114	[4]	SEAL
8.	5D-8552	[4]	SHAFT
9.	4B-3671	[4]	BEARING
10.	5D-8508	[1]	GASKET
11.	0L-2070	[8]	BOLT
12.	2B-0947	[15]	BOLT
13.	2K-4472	[1]	SEAL
14.	6D-3248	[1]	BRACKET (Left Hand)
15.	0S-1589	[4]	BOLT
	1D-4720	[4]	NUT
16.	3B-4510	[8]	LOCKWASHER
17.	0T-0102	[2]	BOLT
18.	0L-0364	[2]	LOCK
19.	0L-1351	[2]	BOLT
20.	7D-2642	[1]	COVER ASSEM.
21.	6D-4585	[4]	BEARING
			(Part of 7D2642 Assem.)
22.	9S-4190	[1]	PLUG
	2M-9780	[1]	SEAL
23.	6D-4900	[1]	COVER
24.	0S-1595	[4]	BOLT
25.	3B-4508	[19]	LOCKWASHER
26.	2D-8422	[1]	SPACER
27.	5D-8539	[1]	TUBE ASSEM. (Right Hand)
	5D-8540	[1]	TUBE ASSEM. (Left Hand)
28.	5F-1678	[4]	SEAL
29.	1H-5728	[2]	SEAL
30.	6D-8202 Y	[2]	PUMP ASSEM.
			(See Separate Illustration)
31.	4J-5268	[4]	SEAL
32.	5F-7054	[2]	SEAL
33.	4F-7391	[2]	SEAL
34.	6D-5769	[2]	SLEEVE
35.	6D-3247	[1]	BRACKET (Right Hand)
36.	0S-1566	[4]	BOLT
37.	5F-4434	[1]	VENT ASSEM.
38.	9S-4185	[2]	PLUG
	3K-0360	[2]	SEAL
	Y		SEPARATE ILLUSTRATION

#UEG0756S0214

7D-2660: POWER CONTROL

POWER CONTROL

POWER CONTROL (7D2660 N/S)-As Viewed from Right Hand Side of Machine-Part 3 of 4

c111760 UEG0756S

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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5D-8507	[1]	GASKET
2.	2M-4453	[16]	SEAL
3.	7D-2665	[1]	HOUSING ASSEM.
4.	3B-2225	[4]	DOWEL
5.	2A-0309	[4]	DOWEL
6.	7D-0246	[4]	BEARING
7.	2M-2858 R	[1]	SEAL GROUP
	1M-3097	[2]	RING
8.	9S-1366	[4]	BOLT
9.	2M-0849	[4]	WASHER
10.	7D-2640	[1]	COVER ASSEM.
11.	6D-4585	[4]	BEARING
12.	0L-1143	[32]	BOLT
13.	7D-3772	[2]	GEAR ASSEM. (38 Teeth)
14.	7D-5316	[2]	BEARING
15.	6D-4621	[2]	WASHER (.045" Thick)
	6D-6134	[2]	WASHER (.052" Thick)
	5D-8528	[2]	WASHER (.059" Thick)
	5D-8529	[2]	WASHER (.066" Thick)
	6D-6135	[2]	WASHER (.067" Thick)
	6D-4622	[2]	WASHER (.075" Thick)
	6D-4623	[2]	WASHER (.090" Thick)
16.	7D-2639	[1]	SHAFT
17.	4F-7389	[1]	SEAL
18.	6D-4886	[1]	ADAPTER
19.	0S-1594	[7]	BOLT
	3B-4506	[7]	LOCKWASHER
20.	3K-4897	[2]	PIN
21.	6D-4934	[1]	SCREEN ASSEM.
22.	6D-4930	[1]	RETAINER
23.	0L-1045	[1]	SPRING
24.	6D-4938	[1]	TUBE ASSEM.
	8M-7160	[3]	MAGNET
25.	5J-8877	[1]	ELEMENT ASSEM. (Disposable)
26.	6D-4929	[1]	SEAT
27.	3K-4056	[1]	SPRING
28.	6D-5723	[1]	SEAT ASSEM.
29.	6D-4957	[1]	BOLT
	1H-1023	[1]	SEAL
30.	6D-4933	[1]	RETAINER
31.	0S-1595	[3]	BOLT
	3B-4508	[3]	LOCKWASHER
32.	1H-9696	[2]	SEAL
33.	5L-4776	[1]	SEAL
34.	7D-2638	[1]	SHAFT
35.	7D-2631	[1]	HOUSING ASSEM.
	0L-2061	[2]	DOWEL
36.	2B-2994	[2]	DOWEL
37.	5M-1932	[6]	STUD
38.	7D-2634	[2]	SHIM (.005" Thick)
39.	7D-2635	[4]	SHIM (.010" Thick)
40.	2K-4472	[1]	SEAL
41.	0S-1590	[10]	BOLT
	2K-4973	[10]	NUT
	5M-2894	[10]	WASHER
42.	4F-0559	[1]	CONE
43.	6B-3224	[2]	CUP
44.	7D-2633	[1]	CAGE
45.	7D-2636	[1]	HUB
46.	5D-9662	[1]	CONE
47.	7D-0249	[1]	PINION
48.	7D-0247	[1]	RETAINER ASSEM.
	2A-3348	[1]	PIN
49.	6D-3778	[1]	PAD
50.	9S-4190	[1]	PLUG
	2M-9780	[1]	SEAL
	R		REMFG PART MAY BE AVAILABLE

#UEG0756S0215

7D-2660: POWER CONTROL

POWER CONTROL

POWER CONTROL (7D2660 N/S)-As Viewed from R.H. Side of Machine-Part 4 of 4
7J9283 and 7J9284 Valve parts are shown on Page 166

c131431 UEG0756S

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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7D-2655	[4]	HOUSING ASSEM.
	6B-6863	[4]	PIN
			(1 in each 7D2655 Assem.)
2.	7J-9284	[1]	VALVE GROUP (L.H.)
	7J-9283 Y	[1]	VALVE GROUP (R.H.)
			(See Separate Illustration)
3.	0T-0573	[8]	BOLT
	3B-4506	[8]	LOCKWASHER
4.	7D-8213	[1]	HOUSING ASSEM. (L.H.)
	6B-6863	[3]	PIN
			(Part of 7D8213 Assem.)
	7D-8214	[1]	HOUSING ASSEM. (R.H.)
	6B-6863	[5]	PIN
			(Part of 7D8214 Assem.)
5.	2J-0157	[10]	SEAL
6.	6D-4584	[8]	WASHER
7.	7D-2659	[8]	SPRING
8.	7D-2657	[4]	HOUSING
9.	6D-9084	[8]	WASHER
10.	7D-2649	[8]	CLUTCH
11.	7D-2645	[8]	GEAR ASSEM. (35 & 46 Teeth)
12.	7D-3818	[16]	BEARING
			(2 in each 7D2645 Assem.)
13.	1J-6474	[8]	RING
14.	7D-0088	[4]	YOKE
15.	8B-4967	[4]	SEAL
16.	0L-1329	[4]	BOLT
17.	6D-9081	[4]	RETAINER
18.	2M-2858 R	[4]	SEAL GROUP
	1M-3097	[8]	RING
			(2 in each 2M2858 Group)
19.	7D-0848	[8]	WASHER
20.	2J-8172	[8]	RING
21.	6D-4536	[56]	DISC (Inner)
22.	6D-4535	[56]	DISC (Outer)
23.	6D-8738	[8]	RETAINER
24.	6D-0469	[4]	SEAL (Plastic)
25.	2J-8163	[8]	SEAL (Rubber)
26.	7D-2653	[4]	PISTON ASSEM.
27.	6D-4581	[4]	BEARING
			(1 in each 7D2653 Assem.)
28.	6D-0473	[8]	SEAL (Plastic)
	4H-9105	[8]	SEAL (Rubber)
29.	1A-5822	[4]	BOLT
	2M-0849	[4]	WASHER
30.	6D-8977	[24]	DISC (Inner)
31.	5D-8526	[28]	DISC (Outer)
32.	9S-4181	[1]	PLUG (R.H. HOUSING)
	7M-8485	[1]	SEAL
	7D-7761	[1]	ADAPTER (L.H. HOUSING)
	3H-4987	[1]	GASKET
33.	6D-5512	[4]	SEAL (Plastic)
34.	7D-2651	[4]	PISTON ASSEM.
35.	6D-4581	[4]	BEARING
			(1 in each 7D2651 Assem.)
36.	7D-2644	[4]	SHAFT
	R		REMFG PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#UEG0756S0216

6D-6000: LEANING WHEEL CONTROL

LEANING WHEEL CONTROL

LEANING WHEEL CONTROL (6D6000 N/S)

c102039 UEG0756S

6D6000 LEANING WHEEL CONTROL Parts scheme

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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6D-0679	[1]	KNOB
2.	5D-9274	[1]	LEVER ASSEM.
3.	2K-7979	[2]	BEARING
			(Part of 5D9274 Lever Assem.)
4.	7F-0548	[1]	WASHER
5.	3B-4629	[1]	COTTER PIN
6.	0S-1571	[1]	BOLT
7.	1D-4717	[2]	NUT
8.	3B-4506	[2]	LOCKWASHER
9.	6B-0933	[1]	SPACER
10.	5D-9136	[1]	ROD ASSEM.
11.	4D-4064	[2]	END
12.	5B-9079	[2]	NUT
			(Parts of 5D9136 Rod Assem.)
13.	0S-1591	[1]	BOLT
14.	0S-1587	[1]	BOLT
15.	3B-4508	[8]	LOCKWASHER
16.	7B-3235	[7]	BOLT
17.	6D-3745	[1]	PLATE
18.	Y	[1]	VALVE BANK GROUP
			(See Separate Illustration)
	Y		SEPARATE ILLUSTRATION

#UEG0756S0217

6J-6701: CONTROL VALVE BANK

CONTROL VALVE BANK

CONTROL VALVE BANK (6J6701 N/S)
Part of Leaning Wheel Control
6J6682 & 6J7251 Valve parts are shown on Pages 206 & 207

c102040 UEG0756S

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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5J-7453	[1]	SPACER
2.	0S-1591	[1]	BOLT
3.	1D-4717	[1]	NUT
4.	5D-8861	[1]	LEVER
5.	1B-8702	[1]	KEY
6.	6J-7251 Y	[1]	VALVE GROUP
			(See Separate Illustration)
7.	6J-6666	[1]	MANIFOLD
8.	3D-9348	[4]	BOLT
9.	3B-4508	[4]	LOCKWASHER
10.	0S-1588	[8]	BOLT
11.	3B-4506	[8]	LOCKWASHER
12.	2K-0190	[4]	FLANGE
13.	5F-1678	[6]	SEAL
14.	6F-5559	[2]	SEAL
15.	6J-6682 Y	[1]	VALVE GROUP
			(See Separate Illustration)
	Y		SEPARATE ILLUSTRATION

#UEG0756S0218

6D-8202: GEAR PUMP ASSEMBLY

GEAR PUMP ASSEMBLY

6D8202 GEAR PUMP ASSEMBLY
Part of Power Control shown on Page 161

UEG0756S0218 UEG0756S

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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments

#UEG0756S0219

7J-9283: CONTROL VALVE GROUP

CONTROL VALVE GROUP

7J9283 CONTROL VALVE GROUP-R.H.
Part of Power Control shown on Page 163
7J9915 Relief Valve Parts are shown on Page 206

c131436 UEG0756S

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Parts for your 12F MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7J-9915 Y	[1]	VALVE GROUP
			(See Separate Illustration)
	7J-8283	[1]	VALVE GROUP (R.H.)
2.		[1]	BODY
3.		[2]	STEM
4.	5J-7288	[1]	PLATE
5.	5J-7287	[1]	LOCK
6.	0S-1617	[3]	BOLT
7.	4F-4893	[2]	SPRING
8.	6J-2366	[8]	RETAINER
9.	6J-0923	[1]	LOCK
10.	1B-7182	[3]	BOLT
11.	6J-0922	[1]	COVER
12.	6D-4537	[1]	COVER
13.	9S-8005	[1]	PLUG
14.	3K-0360	[1]	SEAL
	Y		SEPARATE ILLUSTRATION