361-9455 LADDER GP S/N NEL1-UP PART OF 415-2948 CHASSIS AR 621G WHEEL TRACTOR

Pos.	Part No	Qty	Parts name
1.	263-4171	[1]	SUPPORT AS
	4M-7347	[1]	LUG
2.	361-9450	[1]	LADDER AS
	6F-8480	[1]	PLUG
3.	361-9454	[1]	HANDRAIL AS
	8Y-7755	[1]	BOSS
4.	362-4101	[2]	BRACKET
5.	198-4777	[7]	WASHER-HARD (11X25X10-MM THK)
6.	198-4778	[8]	WASHER-HARD (13.5X30X12-MM THK)
7.	4L-9337	[3]	BOLT (3/8-16X1.5-IN)
8.	5C-6565	[1]	BOLT (1/2-13X1.125-IN)
9.	5P-1076	[5]	WASHER-HARD (13.5X30X4-MM THK)
10.	5P-2566	[4]	BOLT (1/2-13X1.5-IN)
11.	6V-8188	[2]	NUT (1/2-13-THD)
12.	8T-4835	[4]	BOLT (1/2-13X2-IN)
13.	8T-8919	[2]	BOLT (1/2-13X1.75-IN)
14.	9B-7237	[4]	BOLT (3/8-16X1.25-IN)

#SEBP63650241

5T-5312: LINES GP-CENTRAL LUBRICATION

LINES GP-CENTRAL LUBRICATION

5T-5312 LINES GP-CENTRAL LUBRICATION
S/N NEL1-UP
PART OF 346-7718 HYDRAULIC AR

i00158216 SEBP6365

5T5312 LINES GP-CENTRAL LUBRICATION Parts scheme

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3B-8489	[24]	FITTING-GREASE (1/8-27 PTF)
2.	4D-6475	[12]	ELBOW
4.	8L-5008	[8]	ELBOW-PIPE
5.	5T-3817	[2]	HOSE AS
6.	3G-6659 I	[1]	HOSE AS
7.	3G-6657	[1]	HOSE AS
8.	5T-4789	[1]	HOSE AS
9.	3G-7875	[5]	HOSE AS
10.	3G-0572	[4]	HOSE AS
11.	6G-9933	[1]	HOSE AS
12.	3B-7733	[2]	FITTING
13.	5D-0269	[2]	ELBOW
14.	6G-9931	[2]	HOSE AS
15.	5K-5068 C	[1]	FITTING-PIPE (1/8-27 PTF)
16.	3D-9253 C	[1]	CONNECTOR-PIPE
17.	3G-0575	[5]	HOSE AS
18.	3G-6658 I	[2]	HOSE AS
19.	1S-6420	[1]	CLIP
20.	4D-7733	[2]	CLIP (LOOP)
21.	5M-3062	[5]	BOLT (3/8-16X0.75-IN)
22.	8T-4896	[5]	WASHER-HARD (10.2X18.5X2.5-MM THK)
23.	4D-8948	[2]	CLIP
24.	6D-3479	[1]	CLIP (LOOP)
25.	3S-8665 C	[2]	CLIP (LOOP)
26.	6H-7062 C	[1]	SPACER (13.5X25X19-MM THK)
27.	8T-8919 C	[1]	BOLT (1/2-13X1.75-IN)
28.	3S-2093	[11]	STRAP-CABLE
30.	7S-4244	[2]	CLIP
31.	2R-1922	[9]	CONNECTOR
32.	3H-0120 C	[2]	ELBOW
33.	6D-4636 C	[2]	CLIP (LOOP)
34.	8T-4223 C	[1]	WASHER-HARD (13.5X25.5X3-MM THK)
35.	7D-7233 C	[1]	CLIP (LOOP)
	C		CHANGE FROM PREVIOUS TYPE
	I		REFER TO HYDRAULIC INFORMATION SYSTEM

#SEBP63650242

8X-5849: LOCK GP-OSCILLATION & STEERING

LOCK GP-OSCILLATION & STEERING

8X-5849 LOCK GP-OSCILLATION & STEERING
S/N NEL1-UP
FOR SHIPPING ONLY
PART OF 397-6207 COMMON AR

i02745022 SEBP6365

8X5849 LOCK GP-OSCILLATION & STEERING Parts scheme

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5R-6648	[2]	BRACE AS
2.	6G-6807	[2]	BLOCK AS
			(EACH INCLUDES)
	3K-2527	[1]	BAR
		[2]	REINFORCEMENT
3.	1D-5119	[2]	NUT (3/4-10-THD)
4.	1K-6872	[4]	LOCKNUT (1/2-13-THD)
5.	5R-2557	[2]	U-BOLT
6.	7X-0366	[2]	BOLT (3/4-10X2-IN)

#SEBP63650243

420-5198: PLATE GP-MOUNTING

PLATE GP-MOUNTING

420-5198 PLATE GP-MOUNTING
S/N NEL1-UP
PART OF 415-2951 PLATE & FILM GP

i05201154 SEBP6365

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	387-7923	[1]	BRACKET
2.		[1]	PLATE GP-INFORMATION (MILITARY)
3.	5M-2894	[2]	WASHER-HARD (10.2X18.5X2.5-MM THK)
4.	5M-3062	[2]	BOLT (3/8-16X0.75-IN)

#SEBP63650244

282-9573: SUPPRESSION GP-SOUND

SUPPRESSION GP-SOUND

282-9573 SUPPRESSION GP-SOUND
S/N NEL1-UP
PART OF 228-5319 GUARD GP-CRANKCASE

i03628033 SEBP6365

2829573 SUPPRESSION GP-SOUND Parts scheme

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	284-3125	[1]	INSULATION
2.	284-3126	[1]	INSULATION
3.	284-3127	[1]	INSULATION
4.	284-3128	[1]	INSULATION
5.	284-3129	[1]	INSULATION
6.	284-3130	[1]	INSULATION
7.	284-3134	[2]	STRAP
8.	338-5012 C	[4]	PLATE
9.	5M-3062 C	[8]	BOLT (3/8-16X0.75-IN)
10.	5P-1075 C	[8]	WASHER-HARD (10.2X22.5X3-MM THK)
	C		CHANGE FROM PREVIOUS TYPE

#SEBP63650245

8W-8357: ACTUATOR GP-BRAKE

ACTUATOR GP-BRAKE

8W-8357 ACTUATOR GP-BRAKE
S/N NEL1-UP
PART OF 227-8277 CONTROL GP-SERVICE BRAKE

i00157730 SEBP6365

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9S-1354	[2]	NUT (5/8-18-THD)
2.	5K-5923	[1]	NUT-FLANGE (5/8-18-THD)
3.	6K-2644	[1]	RETAINER-BOOT
4.	7K-9682	[1]	PISTON AS
5.	5K-5921	[1]	SPRING (OUTER)
6.	5T-2190	[1]	SPRING (INNER)
7.	5K-5940	[1]	SUPPORT-SPRING
8.	8X-1657	[1]	ROD
9.	6K-1756	[4]	PLUG
10.	6K-1807	[1]	DIAPHRAGM
11.	5T-2188	[1]	PLATE-PRESSURE
12.	6K-1805	[1]	CLAMP AS
13.	5K-5922	[8]	BOLT (5/16-24X0.37-IN)
14.	5T-2180	[1]	CYLINDER AS
	8T-1363	[1]	FILM-WARNING (COMPRESSED SPRING, READ OMM)
15.	5K-5917	[1]	RETAINER-SPRING
16.	6K-2643	[1]	BOOT-DUST
17.	3S-2093	[1]	STRAP-CABLE
18.	8F-9838	[1]	YOKE AS
	8F-9837	[1]	BODY-YOKE
19.	3B-5301	[1]	PIN-COTTER
20.	8S-6154	[1]	PIN-YOKE
21.	8R-4145	[1]	SLEEVE-BOOT

			AVAILABLE REPAIR KIT(S):
	187-0424	[1]	KIT-REPAIR (ACTUATOR)
			(INCLUDES WIPER, PLUGS, SEALS, BUSHING, BEARING & LUBRICANT)

#SEBP63650246

196-7578: BRAKE GP-SERVICE

BRAKE GP-SERVICE

196-7578 BRAKE GP-SERVICE
S/N NEL1-UP
PART OF 227-8299 POWER TRAIN AR

i01707896 SEBP6365

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2D-1683	[2]	FITTING (1/8-27 PTF)
2.	3D-7945	[2]	SHIELD-DUST
3.	4J-0805	[2]	WASHER (1.781X2.5X0.12-IN THK)
4.	5P-9949	[2]	BEARING AS-NEEDLE
5.	7F-7782	[8]	RETAINER
6.	7F-7783	[8]	SPRING-LOCK
7.	8X-8662	[2]	SHIELD-DUST
8.	132-5772	[2]	GUARD-GREASE
9.	169-2902 Y	[1]	SLACK ADJUSTER GP (LH)
10.	169-2903 Y	[1]	SLACK ADJUSTER GP (RH)
11.	196-7559	[2]	DRUM AS-BRAKE
12.	196-7563 Y	[4]	SHOE GP-BRAKE
13.	196-7577	[2]	SPACER (44.5X54.5X18.5-MM THK)
14.	289-3617	[1]	CAMSHAFT-BRAKE (RH)
15.	289-3618	[1]	CAMSHAFT-BRAKE (LH)
16.	106-1242	[84]	SPACER (13.8X23.75X12.7-MM THK)
17.	2D-0626	[4]	SEAL
18.	2F-6066	[2]	RING-RETAINING
19.	3D-4654	[2]	WASHER (1.781X2.74X0.06-IN THK)
20.	3J-7283	[2]	FITTING-GREASE (1/8-27 PTF)
21.	4B-5006	[2]	FITTING-GREASE
22.	5F-2830	[2]	BEARING AS-NEEDLE
23.	5M-3062	[12]	BOLT (3/8-16X0.75-IN)
24.	5P-5855	[84]	BOLT-12 POINT HEAD (1/2-13X1.75-IN)
25.	6D-6813	[4]	BOLT (3/8-16X1-IN)
26.	7F-7780	[4]	PIN-ANCHOR
27.	7F-7781	[8]	WASHER-FELT (38.1X50.8X4.8-MM THK)
28.	7X-0772	[12]	WASHER-HARD (10.2X25.5X2.5-MM THK)
29.	8D-4004	[4]	SPRING
30.	9H-8839	[2]	SEAL-LIP TYPE
31.	5P-6628 D		LOCKWIRE (1.3-M)
			QUANTITIES SHOWN ARE THOSE REQUIRED FOR BOTH LH & RH SIDES
	D		ORDER BY THE METER
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP63650247

215-8334: CONTROL GP-SERVICE BRAKE

CONTROL GP-SERVICE BRAKE

215-8334 CONTROL GP-SERVICE BRAKE
S/N NEL1-UP
PART OF 399-5765 CAB AR

i02969694 SEBP6365

2158334 CONTROL GP-SERVICE BRAKE Parts scheme

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2L-3331	[1]	CONNECTOR-PIPE
2.	2M-1908	[1]	FITTING-BULKHEAD
3.	5K-9235	[1]	ELBOW-FLARED
4.	5K-9238	[5]	CONNECTOR
5.	5K-9244	[3]	ELBOW-FLARED
6.	5K-9245	[1]	CONNECTOR
7.	5P-7039	[1]	CONNECTOR
8.	6D-0918	[1]	VALVE GP-RELIEF (ACCESSORY CIRCUITS)
9.	7K-0498	[2]	ELBOW
10.	7K-1517	[2]	ELBOW
11.	8L-6005	[1]	TEE-PIPE
12.	9D-0338 Y	[1]	VALVE GP-CHECK (TRACTOR AIR PRESSURE)
13.	9M-8662	[1]	COUPLING
14.	111-9563	[1]	SWITCH AS-PRESSURE (TRACTOR BRAKE)
14A.	111-9563	[1]	SWITCH AS-PRESSURE (SCRAPER BRAKE)
			(EACH INCLUDES)
	186-3735	[2]	PIN-CONNECTOR (16-GA TO 18-GA)
	102-8802	[1]	KIT-RECEPTACLE (2-PIN)
			(INCLUDES RECEPTACLE AS & WEDGE)
15.	162-0782	[1]	SWITCH AS-PRESSURE (STOP LAMP)
	186-3735	[3]	PIN-CONNECTOR (16-GA TO 18-GA)
	102-8803	[1]	KIT-RECEPTACLE (3-PIN)
			(INCLUDES RECPTACLE AS & WEDGE)
16.	164-2154 Y	[1]	VALVE GP-AIR CONTROL (SERVICE BRAKE)
17.	170-1548	[1]	TUBE AS
18.	170-1549	[1]	TUBE AS
19.	170-5277	[1]	TUBE AS
20.	170-5278	[1]	TUBE AS
21.	3J-5390 C	[2]	PLUG (3/8-18-THD)
22.	170-7139	[1]	TUBE AS
23.	170-7140	[1]	TUBE AS
24.	188-2461 Y	[1]	VALVE GP-SOLENOID (SERVICE BRAKE)
25.	319-6282 C	[1]	TUBE AS
26.	215-8337	[1]	TUBE AS
27.	5K-9248 C	[1]	CONNECTOR
28.	2B-0858	[2]	PLUG-PIPE
29.	2H-3940	[4]	ELBOW
30.	3B-7722	[2]	BUSHING-PIPE
31.	3B-7739	[1]	NIPPLE-PIPE
32.	4B-4274	[2]	WASHER (5.5X13X1.2-MM THK)
33.	4B-4845	[2]	PLUG
34.	4D-0577	[1]	ELBOW
35.	4D-0582	[1]	ELBOW
36.	4H-6147	[1]	CONNECTOR
37.	5M-6213	[13]	PLUG-PIPE (1/4-18-THD)
38.	8T-4224	[3]	WASHER-HARD (8.8X16X2-MM THK)
39.	8T-9043	[3]	BOLT (5/16-18X0.875-IN)
40.	9B-1722	[2]	SCREW (10-24X0.5-IN)
41.	5P-9297	[1]	CLIP (LOOP)
42.	5P-9299	[1]	CLIP (LOOP)
43.	8T-4121	[1]	WASHER-HARD (11X21X2.5-MM THK)
44.	8T-4137 M	[1]	BOLT (M10X1.5X20-MM)
45.	3B-7721	[1]	BUSHING-REDUCER
	C		CHANGE FROM PREVIOUS TYPE
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP63650248

227-8277: CONTROL GP-SERVICE BRAKE

CONTROL GP-SERVICE BRAKE

227-8277 CONTROL GP-SERVICE BRAKE -CHASSIS
S/N NEL1-UP
PART OF 346-7718 HYDRAULIC AR

i01953706 SEBP6365

2278277 CONTROL GP-SERVICE BRAKE Parts scheme

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1S-0401	[1]	ELBOW
2.	1U-2876 I	[1]	HOSE AS
3.	2H-9091	[1]	CONNECTOR-PIPE
4.	2L-3331	[1]	CONNECTOR-PIPE
5.	2M-1908	[2]	FITTING-BULKHEAD
6.	3D-8913	[2]	ELBOW
7.	4D-6463	[1]	CLIP
8.	4H-6147	[1]	CONNECTOR
13.	5D-9508 I	[1]	HOSE AS
14.	5J-7585 I	[1]	HOSE AS
15.	5K-9238	[2]	CONNECTOR
16.	5K-9246	[2]	CONNECTOR
17.	8X-5444 J	[1]	VALVE GP-RELAY (SERVICE BRAKE CONTROL)
18.	6G-0593	[1]	VALVE AS (QUICK-RELEASE, HOLDING)
19.	6J-1154 I	[1]	HOSE AS
20.	7D-6294 I	[1]	HOSE AS
21.	7D-7419 I	[1]	HOSE AS
22.	7K-1181	[7]	STRAP-CABLE
23.	8L-6005	[1]	TEE-PIPE
24.	8W-8357 Y	[2]	ACTUATOR GP-BRAKE
25.	9M-8662	[2]	COUPLING
26.	101-9149 I	[1]	HOSE AS
27.	171-1284	[1]	HOSE AS
28.	235-4192	[1]	TUBE AS
29.	235-4193	[1]	TUBE AS
30.	235-4631 I	[1]	HOSE AS
31.	235-4632 I	[1]	HOSE AS
32.	248-4735	[1]	HOSE AS
33.	1S-0994	[1]	CLIP (LOOP)
34.	2B-0858	[1]	PLUG-PIPE
35.	3B-7722	[1]	BUSHING-PIPE
36.	4D-0577	[3]	ELBOW
37.	4D-0582	[4]	ELBOW
38.	4L-6454	[2]	BOLT (3/8-16X1-IN)
39.	4M-0061	[2]	BOLT (5/16-18X0.75-IN)
40.	5M-3062	[2]	BOLT (3/8-16X0.75-IN)
41.	6V-8181	[4]	NUT-FULL (5/8-18-THD)
42.	7X-0583	[4]	WASHER-HARD (17X45X6-MM THK)
43.	8M-2770	[1]	CLIP (LOOP)
44.	8T-4224	[2]	WASHER-HARD (8.8X16X2-MM THK)
45.	8T-4896	[4]	WASHER-HARD (10.2X18.5X2.5-MM THK)

			AVAILABLE REPAIR KIT(S):
	5T-5224 J	[1]	KIT-VALVE & SEAL (SERVICE BRAKE CONTROL)
			(INCLUDES RINGS, EXHAUST COVER, VALVES, LUBRICANT, INSTRUCTION SHEET & DIAPHRAGM)
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	J		KIT MARKED J SERVICES PART(S) MARKED J
	Y		SEPARATE ILLUSTRATION

#SEBP63650249

227-8339: DRYER & LINES GP-AIR

DRYER & LINES GP-AIR

227-8339 DRYER & LINES GP-AIR
S/N NEL1-UP
PART OF 399-5765 CAB AR

i02193961 SEBP6365

2278339 DRYER & LINES GP-AIR Parts scheme

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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	2D-7325	[1]	TEE-PIPE
2.	2H-3940	[3]	ELBOW
3.	2H-9091	[1]	CONNECTOR-PIPE
4.	4H-6112	[1]	BREATHER (AIR COMPRESSOR VALVE)
5.	4H-6147	[1]	CONNECTOR
6.	9M-7958	[1]	CLAMP-HOSE
7.	9X-0435	[1]	ADAPTER
8.	004-5933	[1]	TEE-PIPE
9.	165-5648	[1]	AIR DRYER GP (AIR SUPPLY)
	470-0213	[1]	VALVE AS-PURGE
	470-0214	[1]	BOLT
	190-0760	[1]	DESICCANT
10.	175-7141 M	[4]	NUT-HEX FLANGE (M10X1.5-THD)
11.	188-2461 Y	[1]	VALVE GP-SOLENOID (DIFFERENTIAL LOCK)
12.	215-8343 I	[1]	HOSE AS
13.	241-9670	[1]	HOSE AS
14.	271-4549 I	[1]	HOSE AS
15.	4B-4274	[2]	WASHER (5.5X13X1.2-MM THK)
16.	5H-4778	[2]	ELBOW
17.	5K-8451	[3]	CLIP (LOOP)
18.	5M-3062	[3]	BOLT (3/8-16X0.75-IN)
19.	5M-6213	[1]	PLUG-PIPE (1/4-18-THD)
20.	6K-8178	[1]	CLIP (LOOP)
21.	6V-5048	[1]	SEAL-O-RING
22.	7D-7233	[1]	CLIP (LOOP)
23.	8T-4121	[2]	WASHER-HARD (11X21X2.5-MM THK)
24.	8T-4185 M	[2]	BOLT (M10X1.5X50-MM)
25.	8T-4896	[3]	WASHER-HARD (10.2X18.5X2.5-MM THK)
26.	9B-1722	[2]	SCREW (10-24X0.5-IN)
29.	371-8094 E		HOSE (108-CM)
30.	111-0484	[2]	SPACER (10.7X17.1X30-MM THK)
	E		ORDER BY THE CENTIMETER
	I		REFER TO HYDRAULIC INFORMATION SYSTEM
	M		METRIC PART
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION