169-2904 SLACK ADJUSTER GP PART OF 196-7579 BRAKE GP-SERVICE 621G WHEEL SCRAPER

Pos.	Part No	Qty	Parts name
1.	1H-9722	[1]	PLUG-EXPANSION
2.	4H-2613	[1]	BUSHING-TERMINAL
3.	5D-5818	[2]	BUTTON
4.	9T-5676	[1]	SPRING
5.	166-8537	[1]	BODY
6.	174-7421	[1]	SHAFT
7.	174-7423	[1]	SCREW-ADJUSTMENT (3/8-16X0.75-IN)
8.	174-7424	[1]	GEAR (34-TEETH)
9.	174-7425	[1]	WORM
10.	174-7442	[2]	COVER
11.	188-0337	[10]	SCREW-BUTTON HEAD (10-24X0.375-IN)
12.	3D-2891	[1]	BALL

#SEBP42330081

9D-0338: VALVE GP-CHECK

VALVE GP-CHECK

9D-0338 VALVE GP-CHECK
PART OF 263-3332 CONTROL GP-SERVICE BRAKE

i00148048 SEBP4233

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Parts for your 621G WHEEL SCRAPER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2R-1532	[1]	GUIDE-SHUTTLE
2.	3D-4869	[1]	SHUTTLE
3.	2R-9614	[1]	CAP
4.	4M-5281	[2]	BOLT (1/4-20X0.75-IN)
5.	3D-4245	[1]	SEAL-O-RING

#SEBP42330082

188-2461: VALVE GP-SOLENOID

VALVE GP-SOLENOID

188-2461 VALVE GP-SOLENOID
PART OF 263-3332 CONTROL GP-SERVICE BRAKE

i01951989 SEBP4233

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Parts for your 621G WHEEL SCRAPER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1S-9593	[2]	STRAP-CABLE
2.	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
3.	186-3735	[2]	PIN-CONNECTOR (16-GA TO 18-GA)

#SEBP42330083

3G-5192: CYLINDER GP-STEERING

CYLINDER GP-STEERING

3G-5192 CYLINDER GP-STEERING
127-MM (5-IN) BORE X 1127.8-MM (44.4-IN) STROKE. 2 REQUIRED
PART OF 227-8280 CONTROL AR-SCRAPER HYDRAULIC
Type 1
AN ATTACHMENT

i00157694 SEBP4233

3G5192 CYLINDER GP-STEERING Parts scheme

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Parts for your 621G WHEEL SCRAPER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5J-5731	[1]	LOCKNUT (1-3/4-12-THD)
2.	3G-5191	[1]	CYLINDER AS
	0T-0102	[2]	BOLT (3/8-16X0.625-IN)
	0T-0690	[4]	BOLT (7/8-9X1.5-IN)
	2D-0094	[1]	GASKET
	7J-3554	[1]	COVER
	6J-6043	[2]	BUSHING
3.	8J-7375	[1]	ROD AS
4.	9J-1676	[1]	BUSHING
5.	9T-8563	[1]	PISTON
6.	5F-3144 JNS	[1]	SEAL-O-RING
7.	2K-4096 JNS	[1]	RING-BACKUP
8.	289-2937 JNPS	[1]	SEAL AS-BUFFER
9.	289-2948 JNPS	[1]	SEAL-U-CUP
10.	225-3281 JNPS	[1]	SEAL-WIPER
11.	3B-8489	[1]	FITTING-GREASE (1/8-27 PTF)
12.	1D-4628	[4]	BOLT (7/8-9X3.25-IN)
	9H-1031	[4]	WASHER-HARD (24X41.5X6-MM THK)
13.	9T-6863	[1]	HEAD
14.	9X-7264 JNS	[1]	SEAL AS
15.	4J-4630 N	[1]	RING-WEAR
16.	8T-5668 JNP	[1]	RING-WEAR

			AVAILABLE REPAIR KIT(S):
	242-2542 J	[1]	KIT-SEAL (HYDRAULIC CYLINDER)
			(INCLUDES RINGS & SEALS)
			(STANDARD SIZE BORE)
	243-0384 N	[1]	KIT-SEAL (HYDRAULIC CYLINDER)
			(INCLUDES RINGS & SEALS)
			(STANDARD SIZE BORE)
	243-0385 P	[1]	KIT-HYDRAULIC CYLINDER
			(INCLUDES RINGS & SEALS)
			(OVERSIZE BORE 0.76-MM)
	243-0386 S	[1]	KIT-HYDRAULIC CYLINDER
			(INCLUDES RINGS & SEALS)
			(STANDARD SIZE BORE)
			(ALL KITS ABOVE FOR USE WITH REHS1392)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	N		KIT MARKED N SERVICES PART(S) MARKED N
	P		KIT MARKED P SERVICES PART(S) MARKED P
	R		REMANUFACTURED PART MAY BE AVAILABLE
	S		KIT MARKED S SERVICES PART(S) MARKED S

#SEBP42330084

3G-5192: CYLINDER GP-STEERING

CYLINDER GP-STEERING

3G-5192 CYLINDER GP-STEERING
127-MM (5-IN) BORE X 1127.8-MM (44.4-IN) STROKE. 2 REQUIRED
PART OF 227-8280 CONTROL AR-SCRAPER HYDRAULIC
Type 2
AN ATTACHMENT

i05167646 SEBP4233

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Parts for your 621G WHEEL SCRAPER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5J-5731	[1]	LOCKNUT (1-3/4-12-THD)
2.	3G-5191	[1]	CYLINDER AS
2A.	6J-6043	[2]	BUSHING
3.	8J-7375	[1]	ROD AS
3A.	9J-1676	[1]	BUSHING
4.	9H-1031	[4]	WASHER-HARD (24X41.5X6-MM THK)
5.	9T-8563	[1]	PISTON
6.	5F-3144 JNS	[1]	SEAL-O-RING
7.	2K-4096 JNS	[1]	RING-BACKUP
8.	289-2937 JNPS	[1]	SEAL AS-BUFFER
9.	289-2948 JNPS	[1]	SEAL-U-CUP
10.	225-3281 JNPS	[1]	SEAL-WIPER
11.	8T-5668 JNP	[1]	RING-WEAR
12.	1D-4628	[4]	BOLT (7/8-9X3.25-IN)
13.	9T-6863	[1]	HEAD
14.	9X-7264 JNS	[1]	SEAL AS
15.	4J-4630 N	[1]	RING-WEAR

			AVAILABLE REPAIR KIT(S):
	242-2542 J	[1]	KIT-SEAL (HYDRAULIC CYLINDER)
			(INCLUDES RINGS & SEALS)
			(STANDARD SIZE BORE)
	243-0384 N	[1]	KIT-SEAL (HYDRAULIC CYLINDER)
			(INCLUDES RINGS & SEALS)
			(STANDARD SIZE BORE)
	243-0385 P	[1]	KIT-HYDRAULIC CYLINDER
			(INCLUDES RINGS & SEALS)
			(OVERSIZE BORE 0.76-MM)
	243-0386 S	[1]	KIT-HYDRAULIC CYLINDER
			(INCLUDES RINGS & SEALS)
			(STANDARD SIZE BORE)
			(ALL KITS ABOVE FOR USE WITH REHS1392)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	N		KIT MARKED N SERVICES PART(S) MARKED N
	P		KIT MARKED P SERVICES PART(S) MARKED P
	R		REMANUFACTURED PART MAY BE AVAILABLE
	S		KIT MARKED S SERVICES PART(S) MARKED S

#SEBP42330085

8W-0575: LINES GP-STEERING

LINES GP-STEERING

8W-0575 LINES GP-STEERING
PART OF 227-8280 CONTROL AR-SCRAPER HYDRAULIC
AN ATTACHMENT

i02491758 SEBP4233

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Parts for your 621G WHEEL SCRAPER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8J-7577 I	[2]	HOSE AS
2.	8J-7734 I	[2]	HOSE AS
3.	8X-1143	[8]	CLAMP
4.	8X-1146	[8]	SPACER (10.3X15.9X60.7-MM THK)
5.	252-7712 C	[1]	TUBE AS
6.	252-7713 C	[1]	TUBE AS
7.	252-7714 C	[1]	TUBE AS
8.	252-7715 C	[1]	TUBE AS
9.	1P-3703	[2]	SEAL-RECTANGULAR
10.	1P-4576	[8]	FLANGE-HALF
11.	1P-4577	[12]	FLANGE-HALF
12.	1P-5760	[4]	FLANGE-HALF
13.	1S-1445	[4]	PLATE
14.	4J-0520	[4]	SEAL-O-RING
15.	4J-5267	[4]	SEAL-O-RING
16.	5S-7382	[40]	BOLT (3/8-16X1.375-IN)
17.	5S-7383	[8]	BOLT (3/8-16X1.75-IN)
18.	7X-0290	[4]	BOLT (3/8-16X3.5-IN)
19.	8C-4436	[4]	BOLT (1/2-13X1.375-IN)
20.	8T-4223	[4]	WASHER-HARD (13.5X25.5X3-MM THK)
21.	8T-4896	[56]	WASHER-HARD (10.2X18.5X2.5-MM THK)
22.	8T-8915	[4]	BOLT (3/8-16X3.25-IN)
23.	9F-2167	[2]	SCREW-PURGE (3/8-24X1.164-IN)
	C		CHANGE FROM PREVIOUS TYPE
	I		REFER TO HYDRAULIC INFORMATION SYSTEM

#SEBP42330086

192-6443: ACTUATOR GP-PILOT CONTROL

ACTUATOR GP-PILOT CONTROL

192-6443 ACTUATOR GP-PILOT CONTROL
17-MM
PART OF 156-2656 VALVE GP-MAIN CONTROL

i01437434 SEBP4233

1926443 ACTUATOR GP-PILOT CONTROL Parts scheme

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Parts for your 621G WHEEL SCRAPER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5S-6980 J	[1]	RING-RETAINING
2.	141-5497	[1]	SPRING
3.	141-5498	[1]	SPRING
4.	191-9247	[1]	WASHER (19.15X31.65X2.36-MM THK)
5.	326-5212	[1]	COIL AS (24-VOLT)
6.	316-1438	[1]	CARTRIDGE AS
	214-7568	[2]	SEAL-O-RING
7.	173-4012	[1]	SPRING
8.	188-3365	[1]	SPRING
9.	367-6001	[1]	PLUG AS
	4J-7533	[1]	SEAL-O-RING
	360-3675	[1]	PLUG (5/16-24-THD)
10.	142-2864	[1]	RETAINER
11.	366-4695	[3]	PLUG AS
			(EACH INCLUDES)
	3J-1907	[1]	SEAL-O-RING
	360-3679	[1]	PLUG-CONNECTOR (9/16-18-THD)
12.	198-2914	[1]	NUT (3/4-32-THD)

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

			AVAILABLE REPAIR KIT(S):
	204-1320 J	[1]	KIT-RETAINING RING (ACTUATOR)
			(ALSO INCLUDES RETAINING RINGS)
	J		KIT MARKED J SERVICES PART(S) MARKED J

#SEBP42330087

227-8280: CONTROL AR-SCRAPER HYDRAULIC

CONTROL AR-SCRAPER HYDRAULIC

227-8280 CONTROL AR-SCRAPER HYDRAULIC
PART OF 325-9708 BOWL AR-SCRAPER, 325-9709 CHASSIS AR
AN ATTACHMENT

i01955345 SEBP4233

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Parts for your 621G WHEEL SCRAPER:

CATERPILLAR SIS

Part No	Qty	Parts name
6E-3690 Y	[1]	CYLINDER GP-APRON
5J-2449 Y	[1]	CYLINDER GP-BOWL (RH)
5J-2450 Y	[1]	CYLINDER GP-BOWL (LH)
3G-5192 Y	[2]	CYLINDER GP-STEERING
227-8282 Y	[1]	LINES GP-DRAFT FRAME
8W-0575 Y	[1]	LINES GP-STEERING
Y		SEPARATE ILLUSTRATION

#SEBP42330088

6E-3690: CYLINDER GP-APRON

CYLINDER GP-APRON

6E-3690 CYLINDER GP-APRON
184.15-MM (7.25-IN) BORE X 597-MM (23.5-IN) STROKE
PART OF 227-8280 CONTROL AR-SCRAPER HYDRAULIC
AN ATTACHMENT

i00158435 SEBP4233

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Parts for your 621G WHEEL SCRAPER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	6E-3691	[1]	CYLINDER AS
1A.	3J-6412	[2]	BUSHING
2.	3J-9545	[1]	LOCKNUT (2-12-THD)
3.	3J-7848 J	[1]	RING-WEAR
4.	205-2008 J	[2]	SEAL AS
5.	8T-7849 J	[1]	RING-WEAR
6.	167-2207 J	[1]	SEAL AS-BUFFER
7.	439-2698 J	[1]	SEAL-U-CUP
8.	1J-2175	[4]	BOLT (1-1/8-7X3.5-IN)
9.	3S-1349	[4]	WASHER-HARD (31X52.5X6-MM THK)
10.	5J-0771	[1]	ROD AS
10A.	3J-6412	[2]	BUSHING
11.	446-9333 J	[1]	SEAL-WIPER
12.	9T-8221	[1]	HEAD
13.	2K-2939 J	[1]	SEAL-O-RING
14.	2K-2940 J	[1]	RING-BACKUP
15.	5J-0772	[1]	PISTON

			AVAILABLE REPAIR KIT(S):
	244-0957 J	[1]	KIT-SEAL (HYDRAULIC CYLINDER)
			(INCLUDES RINGS & SEALS)
			(FOR USE WITH REHS1392 FOUND IN SISWEB)
	J		KIT MARKED J SERVICES PART(S) MARKED J
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP42330089

5J-2449: CYLINDER GP-BOWL

CYLINDER GP-BOWL

5J-2449 CYLINDER GP-BOWL -RH
152.4-MM (6-IN) BORE X 812.8-MM (32-IN) STROKE
PART OF 227-8280 CONTROL AR-SCRAPER HYDRAULIC
AN ATTACHMENT

i00158431 SEBP4233

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Parts for your 621G WHEEL SCRAPER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3J-9545	[1]	LOCKNUT (2-12-THD)
2.	7J-5326	[1]	RING-WEAR
3.	5J-4989	[1]	SEAL AS
	5J-4418	[1]	SEAL
4.	9J-8047	[1]	PISTON
5.	9T-3709 C	[1]	HEAD
6.	1D-4612	[2]	BOLT (3/4-10X4-IN)
7.	5H-1504	[8]	WASHER-HARD (20X33.5X5-MM THK)
8.	5J-0974	[1]	CYLINDER AS
9.	5J-2445	[1]	BUSHING
10.	167-2201	[1]	SEAL AS-BUFFER
11.	5J-2453	[1]	ROD AS-PISTON
12.	5J-2445	[1]	BUSHING
13.	5H-3252	[1]	SEAL-O-RING
14.	167-2463	[1]	SEAL-WIPER
15.	167-2312	[1]	SEAL-U-CUP
16.	3B-2968	[6]	BOLT (3/4-10X3.5-IN)
17.	2K-3258	[1]	RING-BACKUP
18.	8T-8365 C	[1]	RING-WEAR
	C		CHANGE FROM PREVIOUS TYPE
	R		REMANUFACTURED PART MAY BE AVAILABLE