421-1877 COVER GP-VALVE MECHANISM S/N HMR1-UP; MKT1-UP PART OF 420-8852 COVER GP-VALVE MECHANISM ALSO AN ATTACHMENT 246D

BASIC ENGINE

VALVE MECHANISM GP

0. 421-1877 COVER GP-V
1. 471-2915 COVER GP-V

CRANKSHAFT GP

2. 387-9070 CRANKSHAFT
3. 387-9070 CRANKSHAFT

CYLINDER BLOCK GP

4. 421-1883 CYLINDER B
5. 420-8851 CYLINDER B

CYLINDER HEAD GP

6. 387-9788 CYLINDER H
7. 421-1881 CYLINDER H
8. 396-0908 CYLINDER H
9. 420-8853 CYLINDER H
0. INFORMATION

SKID STEER LOADER 246D SKID STEER LOADER HMR
246D Skid Steer Loader HMR00001-UP (MACHINE) POWERED BY C3.3B Engine SEBP6856 246D HMR (2013)

BASIC ENGINE

VALVE MECHANISM GP

396-0903 COVER GP-VALVE MECHANISM

398-1476 COVER GP-VALVE MECHANISM

420-8852 COVER GP-VALVE MECHANISM

421-1877 COVER GP-VALVE MECHANISM

471-2915 COVER GP-VALVE MECHANISM

387-9084 VALVE MECHANISM GP

#SEBP68560030

421-1877: COVER GP-VALVE MECHANISM

COVER GP-VALVE MECHANISM

421-1877 COVER GP-VALVE MECHANISM
S/N HMR1-UP; MKT1-UP
PART OF 420-8852 COVER GP-VALVE MECHANISM
ALSO AN ATTACHMENT

i05342498 SEBP6856

4211877 COVER GP-VALVE MECHANISM Parts scheme

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Parts for your 246D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	388-7488	[4]	ELEMENT (BREATHER)
2.	388-7490	[1]	SEAL-O-RING
3.	388-7492	[4]	SEAL
4.	389-5153	[1]	ADAPTER
5.	389-5154	[4]	SCREW
6.	418-0969	[1]	COVER-BREATHER

#SEBP68560031

471-2915: COVER GP-VALVE MECHANISM

COVER GP-VALVE MECHANISM

471-2915 COVER GP-VALVE MECHANISM
S/N JSL1-UP
PART OF 380-1768 ENGINE AR-PRIMARY

i06563689 SEBP6856

4712915 COVER GP-VALVE MECHANISM Parts scheme

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Parts for your 246D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	383-0187	[1]	BOLT
2.	383-0574	[10]	BOLT
3.	387-9802	[2]	CLAMP-HOSE
4.	387-9829	[1]	GASKET
5.	388-7473	[2]	CLAMP
6.	471-9878	[1]	HEATER AS
7.	471-9879	[1]	HOSE
8.	398-1476 Y	[1]	COVER GP-VALVE MECHANISM
9.	471-9913	[1]	PIPE AS
10.	471-9915	[1]	HOSE
11.	471-9916	[1]	BRACKET
12.	486-5206	[2]	CLAMP
13.	488-0424	[1]	HOSE-BREATHER
	Y		SEPARATE ILLUSTRATION

#SEBP68560032

387-9070: CRANKSHAFT GP

CRANKSHAFT GP

387-9070 CRANKSHAFT GP
PART OF 380-1768, 380-1769 ENGINE AR-PRIMARY
Type 1
ALSO AN ATTACHMENT

i05299148 SEBP6856

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Parts for your 246D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	387-9840	[1]	CRANKSHAFT AS
1A.	388-7502	[1]	GEAR
2.	387-9841	[1]	GEAR AS-CRANKSHAFT
2A.	383-0220	[1]	PIN
2B.	388-7504	[1]	SLEEVE
3.	387-9842	[1]	KEY (STRAIGHT)
4.	393-2914 J	[5]	KIT-CRANKSHAFT BEARING (STANDARD)
	393-2915 ABL		KIT-CRANKSHAFT BEARING (0.20-MM US)
	393-2916 ABN		KIT-CRANKSHAFT BEARING (0.40-MM US)
5.	387-9846 J	[2]	BEARING (STANDARD)
	393-2903 ABL		BEARING (0.20-MM OS)
	393-2904 ABN		BEARING (0.40-MM OS)
6.	387-9845 J	[2]	BEARING (STANDARD)
	393-2901 ABL		BEARING (0.20-MM OS)
	393-2902 ABN		BEARING (0.40-MM OS)

			AVAILABLE REPAIR KIT(S):
	393-2911 J	[1]	KIT-BEARING (STANDARD)
			(INCLUDES BEARINGS)
	393-2912 L	[1]	KIT-BEARING
			(INCLUDES BEARINGS)
	393-2913 N	[1]	KIT-BEARING
			(INCLUDES BEARINGS)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	J		KIT MARKED J SERVICES PART(S) MARKED J
	L		KIT MARKED L SERVICES PART(S) MARKED L
	N		KIT MARKED N SERVICES PART(S) MARKED N

#SEBP68560033

387-9070: CRANKSHAFT GP

CRANKSHAFT GP

387-9070 CRANKSHAFT GP
PART OF 380-1768, 380-1769 ENGINE AR-PRIMARY
Type 2
ALSO AN ATTACHMENT

i07006512 SEBP6856

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Parts for your 246D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	387-9840	[1]	CRANKSHAFT AS
1A.	388-7502	[1]	GEAR
2.	387-9841	[1]	GEAR AS-CRANKSHAFT
2A.	383-0220	[1]	PIN
2B.	388-7504	[1]	SLEEVE
3.	387-9842	[1]	KEY (STRAIGHT)
4.	393-2914	[5]	KIT-CRANKSHAFT BEARING (STANDARD)
	393-2915 AB		KIT-CRANKSHAFT BEARING (0.20-MM US)
	393-2916 AB		KIT-CRANKSHAFT BEARING (0.40-MM US)
5.	524-6737 CJ	[2]	BEARING
	524-6738 ABCL		BEARING (0.20-MM OS)
	524-6739 ABCN		BEARING (0.40-MM OS)
6.	524-6734 CJ	[2]	BEARING
	524-6735 ABCL		BEARING (0.20-MM OS)
	524-6736 ABCN		BEARING (0.40-MM OS)

			AVAILABLE REPAIR KIT(S):
	393-2911 J	[1]	KIT-BEARING (STANDARD)
			(INCLUDES BEARINGS)
	393-2912 L	[1]	KIT-BEARING
			(INCLUDES BEARINGS)
	393-2913 N	[1]	KIT-BEARING
			(INCLUDES BEARINGS)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	C		CHANGE FROM PREVIOUS TYPE
	J		KIT MARKED J SERVICES PART(S) MARKED J
	L		KIT MARKED L SERVICES PART(S) MARKED L
	N		KIT MARKED N SERVICES PART(S) MARKED N

#SEBP68560034

421-1883: CYLINDER BLOCK AS

CYLINDER BLOCK AS

421-1883 CYLINDER BLOCK AS
PART OF 420-8851 CYLINDER BLOCK GP
ALSO AN ATTACHMENT

i05342493 SEBP6856

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Parts for your 246D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	418-0931	[3]	CAP
2.	398-5520	[1]	BALL
4.	383-0303	[1]	PLUG
7.	388-7434	[9]	CAP
8.	388-7435	[1]	PLUG
9.	389-5106	[2]	PIN
10.	393-7577	[10]	BOLT
11.	393-7582	[16]	BOLT-FLANGE HEAD

#SEBP68560035

420-8851: CYLINDER BLOCK GP

CYLINDER BLOCK GP

420-8851 CYLINDER BLOCK GP
PART OF 380-1768, 380-1769 ENGINE AR-PRIMARY
ALSO AN ATTACHMENT

i05341887 SEBP6856

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Parts for your 246D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	383-0262	[4]	CAP
2.	421-1883 Y	[1]	CYLINDER BLOCK AS
3.	387-9779	[4]	PIN
4.	389-5106	[2]	PIN
5.	389-5111	[1]	VALVE
	Y		SEPARATE ILLUSTRATION

#SEBP68560036

387-9788: CYLINDER HEAD AS

CYLINDER HEAD AS

387-9788 CYLINDER HEAD AS
S/N JSL1-UP
PART OF 396-0908 CYLINDER HEAD GP

i05342503 SEBP6856

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Parts for your 246D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	383-0262	[2]	CAP
2.	383-0358	[8]	CAP
3.	388-7434	[1]	CAP
4.	389-0691	[8]	GUIDE-VALVE
5.	389-0692	[8]	GUIDE-VALVE
6.	389-0695	[8]	VALVE-INLET
7.	389-0696	[8]	VALVE-EXHAUST
8.	389-0697	[16]	SPRING-VALVE
9.	389-0698	[16]	RETAINER
10.	389-0699	[16]	GUIDE-SPRING
11.	389-0700	[16]	SEAL
12.	389-0701	[8]	SHAFT

#SEBP68560037

421-1881: CYLINDER HEAD AS

CYLINDER HEAD AS

421-1881 CYLINDER HEAD AS
S/N HMR1-UP; MKT1-UP
PART OF 420-8853 CYLINDER HEAD GP
ALSO AN ATTACHMENT

i05342500 SEBP6856

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Parts for your 246D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	389-0701	[8]	SHAFT
2.	383-0358	[8]	CAP
3.	388-7434	[2]	CAP
4.	389-0691	[8]	GUIDE-VALVE
5.	389-0692	[8]	GUIDE-VALVE
6.	389-0695	[8]	VALVE-INLET
7.	389-0696	[8]	VALVE-EXHAUST
8.	389-0697	[16]	SPRING-VALVE
9.	389-0698	[16]	RETAINER
10.	389-5137	[16]	GUIDE
11.	389-0700	[16]	SEAL

#SEBP68560038

396-0908: CYLINDER HEAD GP

CYLINDER HEAD GP

396-0908 CYLINDER HEAD GP
S/N JSL1-UP
PART OF 380-1768 ENGINE AR-PRIMARY

i05341915 SEBP6856

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Parts for your 246D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	383-0303	[1]	PLUG
2.	387-9788 Y	[1]	CYLINDER HEAD AS
3.	387-9790 B	[1]	GASKET
			(2 NOTCH, HEIGHT BETWEEN PISTON TOP & CYLINDER BLOCK FROM 0.078 MM TO 0.150 MM)
	387-9791 B	[1]	GASKET
			(1 NOTCH, HEIGHT BETWEEN PISTON TOP & CYLINDER BLOCK FROM 0.150 MM TO 0.250 MM)
	387-9792 B	[1]	GASKET
			(NO NOTCH, HEIGHT BETWEEN PISTON TOP & CYLINDER BLOCK FROM 0.250 MM TO 0.340 MM)
4.	387-9827	[8]	PAD
5.	393-7577	[10]	BOLT
6.	387-9826	[8]	ARM (CYLINDER HEAD)

			PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
	B		USE AS REQUIRED
	Y		SEPARATE ILLUSTRATION

#SEBP68560039

420-8853: CYLINDER HEAD GP

CYLINDER HEAD GP

420-8853 CYLINDER HEAD GP
S/N HMR1-UP; MKT1-UP
PART OF 380-1769 ENGINE AR-PRIMARY
ALSO AN ATTACHMENT

i05342122 SEBP6856

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Parts for your 246D SKID STEER LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	383-0303	[1]	PLUG
2.	387-9790 B	[1]	GASKET
	387-9791 BF	[1]	GASKET
	387-9792 BF	[1]	GASKET
3.	393-7577	[10]	BOLT
4.	421-1881 Y	[1]	CYLINDER HEAD AS
5.	387-9826	[1]	ARM (CYLINDER HEAD)
6.	387-9827	[1]	PAD
	B		USE AS REQUIRED
	F		NOT SHOWN
	Y		SEPARATE ILLUSTRATION

Information:

BASIC ENGINE

VALVE MECHANISM GP

Technical Information Bulletin

Improper Routing of the 421-1876 Breather Hose on Certain Tier 2 Machines Operating in Lesser Regulated Countries (LRC){1107}
Improper Routing of the 421-1876 Breather Hose on Certain Tier 2 Machines Operating in Lesser Regulated Countries (LRC){1107}

Specifications

Valve Mechanism Cover
C2.6 and C3.3B Engines for Caterpillar Built Machines

Valve Mechanism
C2.6 and C3.3B Engines for Caterpillar Built Machines

Tool Operating Manual

9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}

CRB Valve Spring Testers 8S-2263 and 4C-9496{0374, 0599, 0700, 0701, 1108}
CRB Valve Spring Testers 8S-2263 and 4C-9496{0374, 0599, 0700, 0701, 1108}

Reuse And Salvage Guidelines

9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}

Testing and Adjusting

Engine Valve Lash - Inspect/Adjust - C3.3B Engines
C2.6 and C3.3B Tier 2 and EU Stage 2 Engines for Caterpillar Built Machines

Disassembly and Assembly

Valve Mechanism Cover - Remove and Install - C3.3B
C2.6 and C3.3B Engines for Caterpillar Built Machines

Rocker Shaft and Push Rod - Remove and Install
C2.6 and C3.3B Engines for Caterpillar Built Machines

Camshaft and Valve Lifters - Remove and Install - C3.3B
C2.6 and C3.3B Engines for Caterpillar Built Machines

Caterpillar Parts SIS Catalog 246D :

420-8852 COVER GP-VALVE MECHANISM

398-1476 COVER GP-VALVE MECHANISM

396-0903 COVER GP-VALVE MECHANISM

387-9068 CAMSHAFT GP

393-7330 INSTALLATION AR-ENGINE

378-6680 INSTALLATION AR-ENGINE

380-1769 ENGINE AR-PRIMARY

380-1768 ENGINE AR-PRIMARY

471-2915 COVER GP-VALVE MECHANISM

387-9070 CRANKSHAFT GP

421-1883 CYLINDER BLOCK AS

420-8851 CYLINDER BLOCK GP

387-9788 CYLINDER HEAD AS

421-1881 CYLINDER HEAD AS

396-0908 CYLINDER HEAD GP