557-7677 MANIFOLD GP-CONTROL -MANIFOLD S/N H8X1-UP PART OF 537-7609 VALVE GP-MAIN CONTROL 301.8 MINI HYD EXCAVATOR

Pos.	Part No	Qty	Parts name
1.	528-9306	[1]	KIT-BODY
			(INCLUDES BODY, CHECK VALVES, BEARING, SPRINGS, SPRING PIN, O-RING SEALS & PLUGS)
2.	528-9307	[1]	KIT-CYLINDER
			(INCLUDES BARREL, PLATE VALVE, PISTONS, SHOES, SHOE HOLDER, BARREL HOLDER, RETAINERS, PINS, SPRING & SNAP RING)
3.	528-9308	[1]	KIT-SWASHPLATE
			(INCLUDES SWASH PLATE & PIN)
4.	105-3478 M	[8]	BOLT-SOCKET HEAD (M10X1.5X35-MM)
5.	528-9313	[2]	VALVE AS-RELIEF
			(EACH INCLUDES)
		[1]	KIT-SEAL
			(INCLUDES O-RING SEALS & BACKUP RINGS)
6.	153-6087	[2]	SCREEN (HYDRAULIC OIL)
7.	528-9311	[1]	BALL BEARING

			AVAILABLE REPAIR KIT(S):
	528-9309	[1]	KIT-SEAL
			(INCLUDES PARTS MARKED 'J' IN THE GRAPHICS)
	M		METRIC PART

#M00930460263

528-9323: MOTOR GP-TRAVEL

MOTOR GP-TRAVEL

528-9323 MOTOR GP-TRAVEL
S/N H8X1-UP
PART OF 508-1316 DRIVE GP-FINAL

i07398445 M0093046

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Parts for your 301.8 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	227-3632	[2]	BALL
2.	227-3633	[7]	SCREW
3.	399-1932	[1]	PIN
4.	399-1933	[1]	PLATE-DISC
5.	399-1934	[1]	PLATE
6.	399-1936	[1]	PISTON-BRAKE
7.	399-1937	[12]	SPRING
8.	528-9326	[1]	BODY AS
			(INCLUDES PARTS MARKED "N"IN THE GRAPHICS)
9.	528-9332	[1]	BARREL AS
			(INCLUDES PARTS MARKED "L"IN THE GRAPHICS)
10.	528-9329	[1]	SWASHPLATE
11.	528-9330	[1]	BODY AS
12.	528-9331	[1]	SHAFT AS

			PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY

			AVAILABLE REPAIR KIT(S):
	528-9328 J	[1]	KIT-SEAL
			(INCLUDES PARTS MARKED "J" IN THE GRAPHICS)
	J		KIT MARKED J SERVICES PART(S) MARKED J

#M00930460264

555-8425: MOUNTING GP-CYLINDER

MOUNTING GP-CYLINDER

555-8425 MOUNTING GP-CYLINDER
S/N H8X1-UP
PART OF 555-8424 THUMB AR
AN ATTACHMENT

i07423289 M0093046

5558425 MOUNTING GP-CYLINDER Parts scheme

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Parts for your 301.8 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-6870 M	[1]	BOLT (M8X1.25X70-MM)
2.	280-8971	[1]	PIN
3.	194-5041	[2]	WASHER-HARD
4.	344-5674 M	[2]	NUT (M8X1.25-THD)
5.	3B-8489	[2]	FITTING-GREASE (1/8-27 PTF)
6.	462-6567 B	[2]	SHIM-PACK (INCLUDES 4-SHIMS)
			(EACH INCLUDES)
	463-1621 B	[1]	SHIM (1.5-MM THK)
	463-1622 B	[1]	SHIM (0.7-MM THK)
	463-1623 B	[1]	SHIM (0.4-MM THK)
	463-1624 B	[2]	SHIM (0.1-MM THK)
7.	555-8437	[1]	PIN
8.	555-8438	[1]	PIN
9.	555-8439	[2]	SPACER (32X60X8-MM THK)
10.	6V-7644	[4]	RING-RETAINING
	B		USE AS REQUIRED
	M		METRIC PART

#M00930460265

528-9302: PLANETARY GP-SWING DRIVE

PLANETARY GP-SWING DRIVE

528-9302 PLANETARY GP-SWING DRIVE
S/N H8X1-UP
PART OF 512-1016 DRIVE GP-SWING

i07398487 M0093046

5289302 PLANETARY GP-SWING DRIVE Parts scheme

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Parts for your 301.8 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6V-8337 M	[4]	BOLT-SOCKET HEAD (M8X1.25X35-MM)
2.	528-9305	[1]	KIT-CARRIER
			(INCLUDES CARRIER, GEARS, NEEDLES, RINGS, & THRUST PLATES)

			PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
	M		METRIC PART

#M00930460266

519-9601: PLUG GP-CONTROL VALVE

PLUG GP-CONTROL VALVE

519-9601 PLUG GP-CONTROL VALVE
S/N H8X1-UP
AN ATTACHMENT

i07414349 M0093046

5199601 PLUG GP-CONTROL VALVE Parts scheme

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Parts for your 301.8 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	148-8407	[1]	PLUG AS
	3J-1907	[1]	SEAL-O-RING
	9S-4191	[1]	PLUG (9/16-18-THD)

#M00930460267

519-8335: PLUG GP-HYDRAULIC LINES

PLUG GP-HYDRAULIC LINES

519-8335 PLUG GP-HYDRAULIC LINES
S/N H8X1-UP
PART OF 519-9584 CONTROL AR-AUXILIARY
AN ATTACHMENT

i07409139 M0093046

5198335 PLUG GP-HYDRAULIC LINES Parts scheme

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Parts for your 301.8 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	148-8411	[2]	PLUG AS
			(EACH INCLUDES)
	3K-0360	[1]	SEAL-O-RING
	9S-4185	[1]	PLUG (3/4-16-THD)

#M00930460268

515-5834: PUMP & MTG GP-MAIN HYDRAULIC

PUMP & MTG GP-MAIN HYDRAULIC

515-5834 PUMP & MTG GP-MAIN HYDRAULIC
S/N H8X1-UP
PART OF 519-8427 HYDRAULIC AR

i07398479 M0093046

5155834 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme

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Parts for your 301.8 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	487-6207 Y	[1]	PUMP GP-PISTON
2.	519-8345	[1]	COUPLING
3.	522-0021	[1]	HOUSING-COVER
4.	105-3488 M	[3]	BOLT-SOCKET HEAD (M10X1.5X16-MM)
5.	8T-2502	[8]	BOLT (3/8-16X1.125-IN)
6.	8T-4223	[2]	WASHER-HARD (13.5X25.5X3-MM THK)
7.	8T-4896	[8]	WASHER-HARD (10.2X18.5X2.5-MM THK)
8.	8T-4956 M	[2]	BOLT (M12X1.75X35-MM)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#M00930460269

487-6207: PUMP GP-PISTON

PUMP GP-PISTON

487-6207 PUMP GP-PISTON
S/N H8X1-UP
PART OF 515-5834 PUMP & MTG GP-MAIN HYDRAULIC

i07398478 M0093046

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Parts for your 301.8 MINI HYD EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	333-7838	[1]	ROTATING GP-PUMP (BASIC)
	333-7847	[1]	PLATE-VALVE
2.	189-4720	[1]	SEAL-SHAFT
3.	373-8464	[1]	SWASHPLATE
4.	3J-7354	[1]	SEAL-O-RING
5.	333-7842	[1]	SHAFT-DRIVE
6.	9S-8002	[1]	PLUG (7/16-20-THD)
7.	333-7843	[1]	SPRING
8.	189-4716	[1]	SHIM (2.5-MM THK)
9.	487-7812	[1]	RING-STOP
10.	203-8609	[1]	CUP-BEARING
11.	105-3035	[1]	CONE-BEARING
12.	333-7846	[1]	BEARING-CRADLE (RH)
13.	333-7845	[1]	BEARING-CRADLE (LH)
14.	204-3334	[1]	SEAL-O-RING
15.	6R-7943 M	[2]	SCREW (M5X0.8X15-MM)
16.	333-7850	[1]	BEARING-TAPERED ROLLER
17.	8T-9597	[1]	RING-RETAINING
18.	6V-8337 M	[4]	BOLT-SOCKET HEAD (M8X1.25X35-MM)
19.	9S-8005	[3]	PLUG (3/4-16-THD)
20.	3K-0360	[3]	SEAL-O-RING
21.	8T-8442 M	[4]	BOLT-SOCKET HEAD (M6X1X30-MM)
22.	112-4640	[1]	PIN
23.	379-5187	[1]	SPRING
24.	333-7840	[1]	STOP
25.	398-7457 Y	[1]	VALVE GP-PUMP CONTROL (FLOW COMPENSATOR)
26.	280-7870	[1]	GASKET
27.	341-7630	[1]	VALVE-PUMP CONTROL (FLOW COMPENSATOR)
28.	544-0478	[1]	PISTON-CONTROL
29.	446-5379	[2]	SEAL-O-RING
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION