2Y2911 FIELD CONVERSION ARRANGEMENT FROM HYDRAULIC STEERING TO HYDROSTATIC STEERING--Part 2 of 2--Type 2 Serial No. 64U3531-Up. 3G9801 Metering Pump parts are shown on Page 151B 120B

HYDRAULIC SYSTEM

LINES GP-STEERING

0. 2Y-2911 FIELD CONV

FILTER GP

1. 2D-2150 FILTER GP

SHAFT GP

2. 2Y-1523 JOINT AS
3. 2Y-5394 JOINT AS
4. 2Y-5396 JOINT AS

CONTROL GP-POWER

5. 2D-4125 SHAFT GP-L
6. 2D-4125 SHAFT GP-L
7. 4B-8580 SHAFT GP-C
8. 4B-8580 SHAFT GP-C

OPERATOR STATION

CONTROL GP-STEERING

9. 9D-3860 STEERING G
0. INFORMATION

MOTOR GRADER 120B MOTOR GRADER 64U
120B MOTOR GRADER 64U02061-UP (MACHINE) POWERED BY 3306 ENGINE ZEBP0544 120B 64U (1972)

HYDRAULIC SYSTEM

LINES GP-STEERING

2Y-2160 HYDROSTATIC GP-STEERING

2Y-2911 FIELD CONVERSION ARRANGEMENT FROM HYDRAULIC STEERING TO HYDROSTATIC STEERING

#ZEBP05440240

2Y-2911: FIELD CONVERSION ARRANGEMENT FROM HYDRAULIC STEERING TO HYDROSTATIC STEERING

FIELD CONVERSION ARRANGEMENT FROM HYDRAULIC STEERING TO HYDROSTATIC STEERING

2Y2911 FIELD CONVERSION ARRANGEMENT FROM HYDRAULIC STEERING TO HYDROSTATIC STEERING--Part 2 of 2--Type 2
Serial No. 64U3531-Up. 3G9801 Metering Pump parts are shown on Page 151B

c236298 ZEBP0544

2Y2911 FIELD CONVERSION ARRANGEMENT FROM HYDRAULIC STEERING TO HYDROSTATIC STEERING Parts scheme

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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2Y-2157	[1]	SUPPORT
2.	2Y-2231	[1]	STEERING WHEEL
3.	1G-0591	[1]	COVER
4.	4J-7002	[2]	STRAP
5.	2B-2695	[4]	BOLT
6.	2Y-2159	[4]	ADAPTER
7.	2Y-3656	[1]	HOSE ASSEM.
8.	5F-1678	[1]	SEAL
9.	8M-1630	[4]	FLANGE
10.	3B-4506	[1]	LOCKWASHER
11.	1A-9579	[4]	BOLT
12.	1D-4716	[4]	NUT
13.	5B-1983	[1]	LUG
14.	2Y-2482	[1]	COVER
15.	5H-3125	[1]	CLAMP
16.	0S-0509	[1]	BOLT
17.	5F-7054	[4]	SEAL
18.	3B-4505	[4]	LOCKWASHER
19.	0S-1566	[4]	BOLT
20.	3B-4510	[4]	LOCKWASHER
21.	2Y-2166	[1]	HOSE ASSEM.
22.	2Y-2165	[1]	HOSE ASSEM.
			-OR-
	8M-2706	[1]	STEM
		[1]	STEM
	8M-1630	[4]	CLAMP
	1A-9579	[4]	BOLT
	1D-4716	[4]	NUT
	9S-0671 H		HOSE 50 in.(127 cm)
23.	1D-4720	[4]	NUT
24.	3G-9801 CY	[1]	PUMP GROUP
			(Separate Illustration)
	H		ORDER BY THE INCH
	Y		SEPARATE ILLUSTRATION
	C		INDICATES CHANGE

#ZEBP05440241

2D-2150: FILTER GP

FILTER GP

2D2150 FILTER GROUP
Part of 2Y2160 Hydrostatic Steering shown on Pages 139, 141, 143 & 143B

c11141p ZEBP0544

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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
7H-3171	[1]	PLUG
		(Part of 6J6974 Assem.)
2D-2182	[1]	PLUG
5F-1678	[1]	SEAL
5F-5559	[1]	SPRING
1H-0337	[1]	VALVE
6J-6974	[1]	HOUSING ASSEM.
8B-5935	[1]	ELEMENT
2D-2181	[1]	SEAT ASSEM.
2D-2125	[1]	SPRING
2H-3928	[1]	SEAL
0S-1585	[4]	BOLT
3B-4508	[4]	LOCKWASHER
2D-2124	[1]	BASE
5F-1678	[1]	SEAL
2D-2182	[1]	PLUG

#ZEBP05440242

2Y-1523: JOINT AS

JOINT AS

2Y1523 JOINT ASSEMBMLY
Serial No. 64U2061 to 64U6767 inclusive
Part of 2D4125 Leaning Wheel Control Shaft, 4B8580 Control Shaft and 6D3300
Scarifier shown on Pages 149, 150, 172 & 176B

sp1387 ZEBP0544

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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2D-3188	[1]	YOKE
2.	6G-0976	[1]	SPIDER AND BEARING ASSEM.
	4D-0523	[1]	RING
3.	2Y-1522	[1]	YOKE

#ZEBP05440243

2Y-5394: JOINT AS

JOINT AS

2Y5394 JOINT ASSEMBLY
Serial No. 64U6768-Up. Part of 2D4125 Leaning Wheel Control Shaft, 4B8580 Control
Shaft and 6D3300 Scarifier shown on Pages 149, 150A & 176C-2

c237558 ZEBP0544

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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2D-3188	[1]	YOKE
2.	6G-0976	[1]	SPIDER & BEARING ASSEM.
3.	6G-1107	[4]	RING
4.	5P-8334	[1]	FITTING
5.	2Y-5395	[1]	YOKE

#ZEBP05440244

2Y-5396: JOINT AS

JOINT AS

2Y5396 JOINT ASSEMBLY
Serial No. 64U6768-Up
Part of 2D4125 Leaning Wheel Control Shaft, 4B8580 Control Shaft and 6D3300
Scarifier shown on Pages 149, 150A & 176C-2

c237557 ZEBP0544

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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2D-3188	[1]	YOKE
2.	6G-0976	[1]	SPIDER & BEARING ASSEM.
3.	6G-1107	[4]	RING
4.	5P-8334	[1]	FITTING
5.	2Y-5395	[1]	YOKE

#ZEBP05440245

2D-4125: SHAFT GP-LEANING WHEEL CONTROL

SHAFT GP-LEANING WHEEL CONTROL

2D4125 LEANING WHEEL CONTROL SHAFT GROUP
Serial No. 64U2061 to 64U6767 inclusive
2Y1523 Joint parts are shown on Page 148

sp1229 ZEBP0544

2D4125 SHAFT GP-LEANING WHEEL CONTROL Parts scheme

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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
7D-1739 C	[1]	SHAFT ASSEM.
2Y-1523 Y	[1]	JOINT ASSEM.
		(Part of 7D1739 Assem.)
7D-1741	[1]	SHAFT ASSEM.
	[1]	SHAFT ASSEM.
		(Part of 7D1741 Assem.)
2Y-1523 Y	[1]	JOINT ASSEM.
		(Part of 7D1841 Assem.)
9S-1354	[1]	NUT
3B-4510	[1]	LOCKWASHER
1B-8714	[1]	KEY
2D-4109	[1]	SHAFT
5B-1104	[1]	BEARING
0S-1594	[2]	BOLT
3B-4506	[2]	LOCKWASHER
3B-8489	[1]	FITTING
3B-8489	[4]	FITTING
6F-1750	[1]	SLEEVE
6F-1752	[1]	SHAFT
1F-2692	[1]	BUSHING
6F-8921	[1]	BUSHING
1F-2694	[1]	BUSHING
1F-1310	[1]	BUSHING
		(Part of 6F2416 Assem.)
4D-1608	[1]	SEAL
7B-5327	[2]	SHIM
6F-1769	[1]	COVER
6F-1770	[2]	GASKET
1B-5082	[5]	BOLT
3B-4506	[5]	LOCKWASHER
6F-2416	[1]	CASE ASSEM.
9S-1354	[1]	NUT
3B-4510	[1]	LOCKWASHER
7D-1844	[1]	SHAFT ASSEM.
	[1]	COUPLING
	[1]	SHAFT
		(Part of 7D1844 Assem.)
2Y-1523	[1]	JOINT ASSEM.
		(Part of 7D1844 Assem.)
6F-1753	[1]	GEAR (13 teeth)
1D-2611	[1]	SLEEVE
6F-7043	[1]	NUT
6H-0209	[1]	WASHER
3B-4618	[1]	COTTER PIN
6F-1754	[1]	GEAR (19 Teeth)
9S-1354	[1]	NUT
3B-4510	[1]	LOCKWASHER
6F-1751	[1]	SHAFT
1B-8714	[2]	KEY
1A-4590	[2]	RING (Snap)
5D-3283	[1]	COUPLING
6F-7002	[2]	PIN
2Y-1523 Y	[1]	JOINT ASSEM.
		(Part of 7D1843 Assem.)
7D-1846	[1]	SHAFT ASSEM.
C		INDICATES CHANGE
Y		SEPARATE ILLUSTRATION

#ZEBP05440246

2D-4125: SHAFT GP-LEANING WHEEL CONTROL

SHAFT GP-LEANING WHEEL CONTROL

2D4125 LEANING WHEEL CONTROL SHAFT GROUP
Serial No. 64U6768-Up
2Y5394 and 2Y5396 Joint parts are shown on Page 148A

c237559 ZEBP0544

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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
2Y-5473 C	[1]	SHAFT ASSEM.
2Y-5389 C	[1]	PIN
		(Part of 7D1739 Assem.)
2Y-5396 YC	[1]	JOINT ASSEM.
		(Part of 7D1739 Assem.)
2Y-5508 C	[1]	SHAFT
2Y-5389 C	[1]	PIN
		(Part of 7D1741 Assem.)
2Y-5394 YC	[1]	JOINT ASSEM.
		(Part of 7D1741 Assem.)
9S-1354	[1]	NUT
3B-4510	[1]	LOCKWASHER
1B-8714	[1]	KEY
2D-4109	[1]	SHAFT
5B-1104	[1]	BEARING
0S-1594	[2]	BOLT
3B-4506	[2]	LOCKWASHER
3B-8489	[1]	FITTING
3B-8489	[4]	FITTING
6F-1750	[1]	SLEEVE
6F-1752	[1]	SHAFT
1F-2692	[1]	BUSHING
6F-8921	[1]	BUSHING
1F-2694	[1]	BUSHING
1F-1310	[1]	BUSHING
		(Part of 6F2416 Assem.)
4D-1608	[1]	SEAL
7B-5327	[2]	SHIM
6F-1769	[1]	COVER
6F-1770	[2]	GASKET
1B-5082	[5]	BOLT
3B-4506	[5]	LOCKWASHER
6F-2416	[1]	CASE ASSEM.
9S-1354	[1]	NUT
3B-4510	[1]	LOCKWASHER
7D-1844	[1]	SHAFT ASSEM.
2Y-5389 C	[1]	PIN
2Y-5467 C	[1]	SHAFT
		(Part of 7D1844 Assem.)
2Y-5394 CY	[1]	JOINT ASSEM.
		(Part of 7D1844 Assem.)
6F-1753	[1]	GEAR (13 teeth)
1D-2611	[1]	SLEEVE
6F-7043	[1]	NUT
6H-0209	[1]	WASHER
3B-4618	[1]	COTTER PIN
6F-1754	[1]	GEAR (19 Teeth)
9S-1354	[1]	NUT
3B-4510	[1]	LOCKWASHER
6F-1751	[1]	SHAFT
1B-8714	[2]	KEY
1A-4590	[2]	RING (Snap)
5D-3283	[1]	COUPLING
6F-7002	[2]	PIN
2Y-5396 CY	[1]	JOINT ASSEM.
		(Part of 7D1846 Assem.)
7D-1846 C	[1]	SHAFT ASSEM.
2Y-5474	[1]	SHAFT
2Y-5389	[1]	PIN
		(Part of 7D1846 Assem.)
C		INDICATES CHANGE
Y		SEPARATE ILLUSTRATION

#ZEBP05440247

4B-8580: SHAFT GP-CONTROL

SHAFT GP-CONTROL

4B8580 CONTROL SHAFTS GROUP
Serial No. 64U2061 to 64U6767 inclusive
2Y1523 Joint parts are shown on Page 148

sp159 ZEBP0544

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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
5F-8558	[1]	SHAFT
1B-8714	[2]	KEY
7D-1933	[1]	JOINT ASSEM
2D-3188	[2]	YOKE
2D-2978	[1]	SPIDER & BEARING ASSEM
		(Part of 7D1933 Assem)
2Y-1523 Y	[1]	JOINT ASSEM
		(Part of 7D1737 Assem)
7D-1737	[1]	SHAFT ASSEM.
7D-1844	[1]	SHAFT ASSEM.
	[1]	COUPLING
	[1]	SHAFT
2Y-1523 Y	[1]	JOINT ASSEM.
		(Part of 7D1844 Assem.)
4B-8574	[1]	BEARING
0S-1603	[2]	BOLT
3B-4508	[2]	LOCKWASHER
3B-8488	[1]	FITTING
7D-1841	[1]	SHAFT ASSEM.
	[1]	COUPLING
	[1]	SHAFT
		(Part of 7D1841 Assem.)
2Y-1523 Y	[1]	JOINT ASSEM.
		(Part of 7D1841 Assem.)
9S-1354	[2]	NUT
3B-4510	[2]	LOCKWASHER
2Y-1523 Y	[1]	JOINT ASSEM.
		(Part of 7D1842 Assem.)
7D-1842	[1]	SHAFT ASSEM.
	[1]	SHAFT
		(Part of 7D1842 Assem.)
Y		SEPARATE ILLUSTRATION

#ZEBP05440248

4B-8580: SHAFT GP-CONTROL

SHAFT GP-CONTROL

4B8580 CONTROL SHAFTS GROUP
Serial No. 64U6768-Up
2Y5394 and 2Y5396 Joint parts are shown on Page 148A

c237560 ZEBP0544

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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS

Part No	Qty	Parts name
5F-8558	[1]	SHAFT
1B-8714	[2]	KEY
7D-1933	[1]	JOINT ASSEM
2D-3188	[2]	YOKE
2D-2978	[1]	SPIDER & BEARING ASSEM
		(Part of 7D1933 Assem)
2Y-1523	[1]	JOINT ASSEM
		(Part of 7D1737 Assem)
7D-1737	[1]	SHAFT ASSEM
7D-1844	[1]	SHAFT ASSEM
2Y-5389 C	[1]	PIN
2Y-5467 C	[1]	SHAFT
2Y-5394 H	[1]	JOINT ASSEM
		(Part of 7D1844 Assem.)
4B-8574	[1]	BEARING
2A-3223 C	[2]	BOLT
3B-4508	[2]	LOCKWASHER
3B-8488	[1]	FITTING
7D-1841 C	[1]	SHAFT ASSEM
2Y-5389 C	[1]	PIN
2Y-5469 C	[1]	SHAFT
		(Part of 7D1841 Assem.)
2Y-5394 CH	[1]	JOINT ASSEM.
		(Part of 7D1841 Assem.)
9S-1354	[2]	NUT
3B-4510	[2]	LOCKWASHER
2Y-5396 HC	[1]	JOINT ASSEM
		(Part of 7D1842 Assem.)
7D-1842	[1]	SHAFT ASSEM.
2Y-5389 C	[1]	PIN
2Y-5511 C	[1]	SHAFT
		(Part of 7D1842 Assem.)
C		INDICATES CHANGE

#ZEBP05440249

9D-3860: STEERING GEAR GROUP

STEERING GEAR GROUP

9D3860 STEERING GEAR GROUP
Part of 2Y2160 Hydrostatic Steering and 2Y2911 Field Conversion Air from Hydraulic Steering
to Hydraulic Steering shown on Pages 138, 140, 143, 144 & 147

sp1230 ZEBP0544

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Parts for your 120B MOTOR GRADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	068-6754 C	[1]	COVER ASSEM.
2.	068-6750 C	[1]	COMMUTATOR ASSEM.
3.	2Y-2955	[1]	RETAINER
4.	2Y-3737	[1]	SEAL
5.	2Y-2705	[1]	ROTOR
6.	068-6747 C	[1]	SPACER
7.	068-6726	[1]	RING
8.	068-6739	[1]	SEAL
9.	069-4257 C	[1]	COVER
10.	068-7652	[1]	BEARING
11.	068-6733	[1]	BEARING
12.	068-6728	[1]	RING
13.	6L-6035	[1]	ROLER
14.	8F-9538	[1]	SEAL
15.	2Y-2718	[1]	SEAL SPACER
16.	2D-6398	[1]	RING
17.	2Y-2719	[1]	SEAL SHAFT
18.	1T-0416	[4]	BOLT
19.	000-6321	[1]	NUT
20.	035-8038	[1]	SHAFT ASSEMBLY
21.	036-5754	[1]	SEAL
22.	068-6729	[4]	SHIM
23.	068-6730	[4]	SHIM
24.	068-6731	[1]	SHIM
25.	068-7651	[1]	SHIM
26.	068-6732	[1]	WASHER
27.	035-4296	[1]	SPRING
28.	068-6735	[1]	SPACER
29.	068-6734	[1]	SPRING
30.	4B-9880	[1]	BALL
31.	035-4297	[1]	BALL ASSEM.
32.	2Y-2733	[1]	SPACER
33.	2Y-2734	[1]	LINK
34.	068-6749	[1]	MANIFOLD
35.	1F-4111	[7]	BOLT
36.	068-6753	[1]	WASHER
37.	2D-6642	[1]	BALL
38.	068-6737	[1]	PLUG
39.	068-6755	[1]	PLUG ASSEM.
40.	2Y-2717	[1]	SEAL
			H THE FOLLOWING SERVICE REPAIR KIT IS AVAILABLE 1 - 379562 SHAFT SEAL KIT
	C		INDICATES CHANGE