270-7290 CYLINDER GP-STABILIZER -LH S/N RBA1-UP 115-MM (4.5-IN) BORE X 595-MM (23.4-IN) STROKE PART OF 254-0170 HYDRAULIC AR 450E

HYDRAULIC SYSTEM

CYLINDER GP

0. 270-7290 CYLINDER G
1. 270-7291 CYLINDER G
2. 270-7286 CYLINDER G
3. 297-4896 CYLINDER G
4. 100-7844 CYLINDER G

DRIVE GP

5. 112-1826 DRIVE & MT

VALVE GP-BANK

6. 245-8769 FASTENER G

FILTER GP

7. 307-9799 FILTER GP-

FITTING GP

8. 132-8769 FITTING GP

HYDRAULIC GP

9. 254-0170 HYDRAULIC
0. INFORMATION

BACKHOE LOADER 450E BACKHOE LOADER RBA
450E Backhoe Loader RBA00001-UP (MACHINE) POWERED BY C4.4 Engine SEBP5905 450E RBA (2011)

HYDRAULIC SYSTEM

CYLINDER GP

270-7288 CYLINDER GP-EXTENDABLE STICK

125-7895 CYLINDER GP-LIFT

270-7290 CYLINDER GP-STABILIZER

270-7291 CYLINDER GP-STABILIZER

270-7286 CYLINDER GP-STICK

297-4896 CYLINDER GP-SWING

#SEBP59050230

270-7290: CYLINDER GP-STABILIZER

CYLINDER GP-STABILIZER

270-7290 CYLINDER GP-STABILIZER -LH
S/N RBA1-UP
115-MM (4.5-IN) BORE X 595-MM (23.4-IN) STROKE
PART OF 254-0170 HYDRAULIC AR

i04128990 SEBP5905

2707290 CYLINDER GP-STABILIZER Parts scheme

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Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	352-3613	[1]	PISTON
2.	266-9976	[1]	HEAD
3.	279-6596	[1]	CYLINDER AS
	9R-0139	[2]	BUSHING
	6V-8398	[1]	SEAL-O-RING
4.	279-6599	[1]	ROD AS
4A.	311-8710	[2]	BUSHING
5.	146-0742	[1]	RING-WEAR
6.	146-0744	[1]	RING-WEAR
7.	167-2204	[1]	SEAL AS-BUFFER
8.	167-2314	[1]	SEAL-U-CUP
9.	175-7902	[1]	SEAL-O-RING
10.	1K-7095	[1]	RING-BACKUP
11.	227-1148	[1]	SEAL-WIPER
12.	146-0743	[1]	SEAL-PISTON
13.	2H-3928	[1]	SEAL-O-RING
14.	5J-5731	[1]	LOCKNUT (1-3/4-12-THD)

#SEBP59050231

270-7291: CYLINDER GP-STABILIZER

CYLINDER GP-STABILIZER

270-7291 CYLINDER GP-STABILIZER -RH
S/N RBA1-UP
115-MM (4.5-IN) BORE X 595-MM (23.4-IN) STROKE
PART OF 254-0170 HYDRAULIC AR

i04129009 SEBP5905

2707291 CYLINDER GP-STABILIZER Parts scheme

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Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	352-3613	[1]	PISTON
2.	266-9976	[1]	HEAD
3.	279-6599	[1]	ROD AS
3A.	311-8710	[2]	BUSHING
4.	279-6602	[1]	CYLINDER AS
4A.	9R-0139	[2]	BUSHING
	6V-8398	[1]	SEAL-O-RING
5.	146-0742 J	[1]	RING-WEAR
6.	146-0744 J	[1]	RING-WEAR
7.	167-2204 J	[1]	SEAL AS-BUFFER
8.	167-2314 J	[1]	SEAL-U-CUP
9.	175-7902 J	[1]	SEAL-O-RING
10.	1K-7095 J	[1]	RING-BACKUP
11.	227-1148 J	[1]	SEAL-WIPER
12.	146-0743	[1]	SEAL-PISTON
13.	2H-3928 J	[1]	SEAL-O-RING
14.	5J-5731	[1]	LOCKNUT (1-3/4-12-THD)

			AVAILABLE REPAIR KIT(S):
	324-7165 J	[1]	KIT-SEAL (STABILIZER)
			(ALSO INCLUDES SEAL AS)
	J		KIT MARKED J SERVICES PART(S) MARKED J

#SEBP59050232

270-7286: CYLINDER GP-STICK

CYLINDER GP-STICK

270-7286 CYLINDER GP-STICK
S/N RBA1-UP
140-MM (5.5-IN) BORE X 705-MM (27.7-IN) STROKE
PART OF 254-0180 BACKHOE AR-EXTENDABLE STICK, 254-0175 BACKHOE AR-STANDARD STICK
AN ATTACHMENT

i04141029 SEBP5905

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Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	277-7263	[1]	CYLINDER AS-HYDRAULIC
1A.	311-8712	[2]	BUSHING
	203-7807	[1]	ELBOW
	7J-9108	[1]	SEAL-O-RING
2.	277-7267	[1]	ROD AS
2A.	278-0254	[2]	BUSHING
3.	277-7269	[1]	HEAD
4.	277-7270	[1]	PISTON
5.	167-2243 J	[1]	SEAL AS-BUFFER
6.	167-2343 J	[1]	SEAL-U-CUP
7.	186-5148 J	[1]	RING-WEAR
8.	233-0637 J	[1]	SEAL-WIPER
9.	316-2517 J	[1]	SEAL-O-RING
10.	316-2516 J	[1]	SEAL-O-RING
11.	2K-2961	[1]	RING-BACKUP
12.	4J-4606 J	[1]	RING-WEAR
13.	5J-3488	[1]	LOCKNUT (2-1/4-12-THD)
14.	9X-3598 J	[1]	SEAL AS

			AVAILABLE REPAIR KIT(S):
	327-8267 J	[1]	KIT-HYDRAULIC CYLINDER SEAL
			(ALSO INCLUDES BACKUP RING)
	J		KIT MARKED J SERVICES PART(S) MARKED J

#SEBP59050233

297-4896: CYLINDER GP-SWING

CYLINDER GP-SWING

297-4896 CYLINDER GP-SWING
S/N RBA1-UP
100-MM (3.94-IN) BORE X 289-MM (11.4-IN) STROKE
PART OF 254-0170 HYDRAULIC AR

i04129013 SEBP5905

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Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3B-8489	[1]	FITTING-GREASE (1/8-27 PTF)
2.	3N-5739	[1]	SPRING
3.	102-3582	[1]	WASHER (11X19.5X2.5-MM THK)
4.	233-0619 J	[1]	SEAL-WIPER
5.	233-2589 J	[1]	RING-WEAR
6.	233-2613	[1]	BEARING
7.	269-0388	[1]	HEAD
8.	269-0389	[1]	PISTON
9.	287-2046	[1]	PLUNGER
10.	297-4897	[1]	CYLINDER AS-HYDRAULIC
10A.	9T-2883	[2]	BEARING
11.	297-4900	[1]	ROD AS
11A.	274-4274	[1]	BUSHING
12.	140-7649 J	[1]	SEAL-PISTON
13.	167-2183 J	[1]	SEAL AS-BUFFER
14.	167-2303 J	[1]	SEAL-U-CUP
15.	2K-6830 J	[1]	RING-BACKUP
16.	2Y-5821	[1]	RING
17.	3E-6735 J	[1]	SEAL-O-RING
18.	9X-4611 J	[1]	SEAL-O-RING
19.	9X-6611 M	[1]	SETSCREW-SOCKET (M10X1.5X16-MM)

			AVAILABLE REPAIR KIT(S):
	449-9718 J	[1]	KIT-HYD CYLINDER SEAL
	J		KIT MARKED J SERVICES PART(S) MARKED J
	M		METRIC PART

#SEBP59050234

100-7844: CYLINDER GP-TILT

CYLINDER GP-TILT

100-7844 CYLINDER GP-TILT
S/N RBA1-UP
101.6-MM (4-IN) BORE X 677-MM (26.6-IN) STROKE
PART OF 254-0140 LOADER AR

i04142571 SEBP5905

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Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	173-9683 M	[1]	BOLT (M30X3.5X90-MM)
2.	3S-7023	[1]	WASHER (34X57X6-MM THK)
3.	6J-2797 J	[1]	RING-WEAR
4.	5J-5402 J	[1]	SEAL AS
5.	9T-3133	[1]	PISTON
6.	105-4822	[1]	CYLINDER AS
	9T-3165	[2]	BEARING
7.	175-7900 J	[1]	SEAL-O-RING
8.	2K-6830 J	[1]	RING-BACKUP
9.	6E-0775	[1]	HEAD AS
10.	100-7846	[1]	ROD AS
	9R-0162	[1]	BUSHING
	9R-3700	[1]	BUSHING
11.	308-1845 JL	[1]	SEAL-WIPER
12.	289-2946 JL	[1]	SEAL-U-CUP
13.	289-2935 JL	[1]	SEAL AS-BUFFER
14.	4T-5613 JL	[1]	RING-WEAR

			AVAILABLE REPAIR KIT(S):
	233-9205 J	[1]	KIT-SEAL (CYLINDER ONE)
			(ALSO INCLUDES O-RING SEAL & BACKUP RING)
	233-9207 L	[1]	KIT-SEAL (CYLINDER TWO)
			(ALSO INCLUDES SEAL AS, WEAR RING, HEAD SEAL & O-RING SEAL)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	L		KIT MARKED L SERVICES PART(S) MARKED L
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP59050235

112-1826: DRIVE & MTG GP-PUMP

DRIVE & MTG GP-PUMP

112-1826 DRIVE & MTG GP-PUMP
S/N RBA1-UP
PART OF 254-0130 POWER TRAIN AR

i00487466 SEBP5905

1121826 DRIVE & MTG GP-PUMP Parts scheme

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Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-9405 M	[4]	BOLT-SOCKET HEAD (M4X0.7X16-MM)
2.	9U-8886	[1]	RING-SEAL
3.	115-1918	[1]	PLATE
4.	117-3534	[1]	ADAPTER
5.	274-4555	[1]	HUB
6.	128-5596 Y	[1]	SHAFT GP-PUMP DRIVE
7.	175-7904	[1]	SEAL-O-RING
8.	8T-4122	[2]	WASHER-HARD (17X32X3.5-MM THK)
9.	8T-7338 M	[2]	BOLT (M16X2X45-MM)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP59050236

245-8769: FASTENER GP-VALVE

FASTENER GP-VALVE

245-8769 FASTENER GP-VALVE -BANK
S/N RBA1-UP
PART OF 254-0188, 346-1232 VALVE AR-BANK 2, 254-0189, 346-1233 VALVE AR-BANK 3
AN ATTACHMENT

i03799038 SEBP5905

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Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-4121	[3]	WASHER-HARD (11X21X2.5-MM THK)
2.	8T-4186 M	[3]	BOLT (M10X1.5X40-MM)
	M		METRIC PART

#SEBP59050237

307-9799: FILTER GP-OIL

FILTER GP-OIL

307-9799 FILTER GP-OIL
S/N RBA1-UP
PART OF 254-0170 HYDRAULIC AR

i04129029 SEBP5905

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Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	207-5035	[1]	FILTER ELEMENT AS-OIL (ULTRA HIGH EFFICIENCY)(HYDRAULIC)
2.	148-8406	[1]	PLUG AS
	7M-8485	[1]	SEAL-O-RING
	9S-9334	[1]	PLUG (1-5/16-12-THD)(STRAIGHT THREAD O-RING)
3.	164-6709	[1]	PLUG AS (STORAGE)
	3J-1907	[1]	SEAL-O-RING
	5F-9144	[1]	SEAL-O-RING
4.	6V-9830	[2]	CAP (ORFS)(RIDE CONTROL)
5.	8C-3446	[1]	VALVE-SAMPLING (HYDRAULIC OIL)
6.	8C-3451	[1]	CAP-DUST (HYDRAULIC OIL)(HYDRAULIC OIL)

#SEBP59050238

132-8769: FITTING GP-HYDRAULIC

FITTING GP-HYDRAULIC

132-8769 FITTING GP-HYDRAULIC -QUICK DISCONNECT
S/N RBA1-UP
FOR USE WITH HYDRAULIC ATTACHMENTS
AN ATTACHMENT

i00498765 SEBP5905

1328769 FITTING GP-HYDRAULIC Parts scheme

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Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
1.	106-0406	[1]	FITTING (QUICK DISCONNECT, MALE)
2.	106-0401	[1]	FITTING (QUICK DISCONNECT, FEMALE)

#SEBP59050239

254-0170: HYDRAULIC AR

HYDRAULIC AR

254-0170 HYDRAULIC AR
S/N RBA1-UP
PART OF 368-0572 COMMON AR

i04101049 SEBP5905

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Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name
254-0125 Y	[1]	CONTROL AR-RIDE
270-7290 Y	[1]	CYLINDER GP-STABILIZER (LH)
270-7291 Y	[1]	CYLINDER GP-STABILIZER (RH)
297-4896 Y	[2]	CYLINDER GP-SWING
307-9799 Y	[1]	FILTER GP-OIL
216-5332 Y	[1]	LINES GP-DRAIN
289-3280 Y	[1]	LINES GP-PILOT
254-0151 Y	[1]	LINES GP-SWING
254-0163 Y	[1]	MOUNTING GP-PUMP
280-7873 Y	[1]	PUMP GP-GEAR
270-1590 Y	[1]	PUMP GP-METERING (HMU)
269-9336 Y	[1]	PUMP GP-PISTON
254-0169 Y	[1]	TANK & MTG GP-HYDRAULIC
Y		SEPARATE ILLUSTRATION