Cummins 4BT 3.9 Piston (m): 6632
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AVAILABLE EQUIPMENT MODELS
Engine Series:
B
Engine Model:
4BT 3.9
Engine Desc:
AUTOMOTIVE
Engine Data:
TURBOCHARGED
EMISSION
Engine Info:
4 Cyl
Engine Dimensions:
239 Cubic Inch
Bore: 4.02 in / 102 mm
Stroke: 4.72 in / 119 mm
Piston (m):
6632
- 1839
- 2001
- 2195
- 2304
- 230 - Forwarder
- LRS1016 - Pneumatic Roller
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Equipment Models
Cummins CPL's
TIMBERJACK
YTO
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1) Engine O/H KitCOK2562/4 Std Click to view kit contentCOK2564/4 0.50 mm Click to view kit contentCLOSEItem #:Quantity:Description:C38020101BRG, MAIN SET STD 4BC38023751GASKET, BOTTOM SET 4BC38025624KIT, PISTON STD B SERIESC38048961GASKET, TOP SET 4BC39011708BRG, CON ROD STD B SERIESC39013061BUSHING, CAM B SERIESC39400591BUSHING, CAMSHAFT B SERIESC48911784BUSHING, CON ROD B SERIESC39043531SEAL, CRANKSHAFT FRONTC33539781SEAL CRANKSHAFT REAR B/CCOK2565/4 1.00 mm Click to view kit contentCLOSEItem #:Quantity:Description:C38020101BRG, MAIN SET STD 4BC38023751GASKET, BOTTOM SET 4BC38025644KIT, PISTON 0.50MM B SERIESC38048961GASKET, TOP SET 4BC39011708BRG, CON ROD STD B SERIESC39013061BUSHING, CAM B SERIESC39400591BUSHING, CAMSHAFT B SERIESC48911784BUSHING, CON ROD B SERIESC39043531SEAL, CRANKSHAFT FRONTC33539781SEAL CRANKSHAFT REAR B/CCLOSEItem #:Quantity:Description:C38020101BRG, MAIN SET STD 4BC38023751GASKET, BOTTOM SET 4BC38025654KIT, PISTON 1.00 B SERIESC38048961GASKET, TOP SET 4BC39011708BRG, CON ROD STD B SERIESC39013061BUSHING, CAM B SERIESC39400591BUSHING, CAMSHAFT B SERIESC48911784BUSHING, CON ROD B SERIESC39043531SEAL, CRANKSHAFT FRONTC33539781SEAL CRANKSHAFT REAR B/C2) O/H Kit fractured rodCOK2562F/4 Std (11) Click to view kit contentCOK2564F/4 0.50 Click to view kit contentCLOSEItem #:Quantity:Description:C38020101BRG, MAIN SET STD 4BC38023751GASKET, BOTTOM SET 4BC38025624KIT, PISTON STD B SERIESC38048961GASKET, TOP SET 4BC39011704BRG, CON ROD STD B SERIESC39013061BUSHING, CAM B SERIESC39400591BUSHING, CAMSHAFT B SERIESC48911784BUSHING, CON ROD B SERIESC48936934BRG, CON ROD, STD, B SERIES (LOWER)C39043531SEAL, CRANKSHAFT FRONTC33539781SEAL CRANKSHAFT REAR B/CCOK2565F/4 1.00 Click to view kit contentCLOSEItem #:Quantity:Description:C38020101BRG, MAIN SET STD 4BC38023751GASKET, BOTTOM SET 4BC38025644KIT, PISTON 0.50MM B SERIESC38048961GASKET, TOP SET 4BC39011704BRG, CON ROD STD B SERIESC39013061BUSHING, CAM B SERIESC39400591BUSHING, CAMSHAFT B SERIESC48911784BUSHING, CON ROD B SERIESC48936934BRG, CON ROD, STD, B SERIES (LOWER)C39043531SEAL, CRANKSHAFT FRONTC33539781SEAL CRANKSHAFT REAR B/CCLOSEItem #:Quantity:Description:C38020101BRG, MAIN SET STD 4BC38023751GASKET, BOTTOM SET 4BC38025654KIT, PISTON 1.00 B SERIESC38048961GASKET, TOP SET 4BC39011704BRG, CON ROD STD B SERIESC39013061BUSHING, CAM B SERIESC39400591BUSHING, CAMSHAFT B SERIESC48911784BUSHING, CON ROD B SERIESC48936934BRG, CON ROD, STD, B SERIES (LOWER)C39043531SEAL, CRANKSHAFT FRONTC33539781SEAL CRANKSHAFT REAR B/C3) Engine I/F KitCIK2562/4 Std Click to view kit contentCIK2564/4 0.50 mm Click to view kit contentCLOSEItem #:Quantity:Description:C38020101BRG, MAIN SET STD 4BC38025624KIT, PISTON STD B SERIESC38048961GASKET, TOP SET 4BC39011708BRG, CON ROD STD B SERIESC39316021GASKET, OIL PAN 4BCIK2565/4 1.00 mm Click to view kit contentCLOSEItem #:Quantity:Description:C38020101BRG, MAIN SET STD 4BC38025644KIT, PISTON 0.50MM B SERIESC38048961GASKET, TOP SET 4BC39011708BRG, CON ROD STD B SERIESC39316021GASKET, OIL PAN 4BSPEC SHEET - 4BT 3.9CLOSEItem #:Quantity:Description:C38020101BRG, MAIN SET STD 4BC38025654KIT, PISTON 1.00 B SERIESC38048961GASKET, TOP SET 4BC39011708BRG, CON ROD STD B SERIESC39316021GASKET, OIL PAN 4B -
Piston & Ring KitC3802562 Std C3802564 0.50 mm C3802565 1.00 mmUse 4 -
Main Bearing SetC3802010 Std C3802011 0.25 mm C3802012 0.50 mm C3802013 0.75 mmUse 1 -
Con Rod BearingC3901170 Std C3901171 0.25 mm C3901172 0.50 mm C3901173 0.75 mmRod bearings are priced and sold per shell -
Fractured Con Rod BearingC4893693 Std (11) C4892795 0.25 mm C4892796 0.50 mm C4892797 0.75 mmRod bearings are priced and sold per shell -
1) Front SealC39043532) Rear SealC33539783) CrankshaftC39078034) Front Seal SleeveC39060805) Rear Seal SleeveC39060816) Rectangular SealC39124737) Crankshaft, GearC39012588) Ring GearC3903309 (173T) (10) C3905427 (127T) (10) C3901774 (159T) (10) C3902127 (138T) (10) -
1) Top Gasket SetC38048962) Bottom Gsk SetC38023753) Head GasketC39213934) Oil Pan GasketC39316025) Valve Cover GskC39026666) Gear Housing GskC39161317) Rear Cover GsktC39284938) Gear Cover GasketC3918673 (10) -
1) Bushing, PistonC4891178 x42) Bushing, CamC3901306 x1 (3)3) Bolt, Con RodC39009194) Con RodC3901569 (7) C4943979 (8)5) Bolt, Ex ManifoldC3944593 (12) C3944655 (13)6) Spacer, Ex ManifoldC3945252 -
1) CamshaftC3925582 (9)2) TappetC39250313) Push RodC39046794) Rocker ArmsC3910811 x4 C3910810 x45) Camshaft GearC3907431 -
1) Oil Cooler 5 PltC39215572) Oil Cooler GasketC39267603) Oil Cooler Gasket Filter HeadC3929792
Piston Kit:
1) 1 C3926632 Piston Std,          1 C3802230 Ring Set Std,            1 C3934047 Piston Pin,  2 C3901706 Ret.
2) 1 C3926634 Piston 0.50 mm, 1 C3802232 Ring Set 0.50 mm, 1 C3934047 Piston Pin,  2 C3901706 Ret.
3) 1 C3926635 Piston 1.00 mm, 1 C3802234 Ring Set 1.00 mm, 1 C3934047 Piston Pin, 2 C3901706 Ret.
Valve Section
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Guide, Valve
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1) Intake, Valve KitConsists of:2) Insert, Valve
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1) Exhaust, Valve KitConsists of:2) Insert, Valve
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1) Spring, Valve2) Seal, ValveC3921640 x8 (5)C3957912 x8 (6)3) Retainer, ValveC3900299 x8 (5)
(1): Can be Used on both Intake and Exhaust.
(2): Diaphragm Style.
(3): For Storm blocks use C3940059.
(4): Do not use on Marine Engines.
(5): For use on engines prior to April, 2003.
(6): For use on engines from April, 2003, (Top Hat Style).
(7): Machine split connecting rod.
(8): Fracture split connecting rod.
(9): Use ESN or application model to confirm correct camshaft.
(10): Check for proper application.
(11): On Fracture Split Con Rods use: 4 of C3901170 (or O/S) and 4 of C4893693 (or O/S).
(12): Flanged Head Cap Screw.
(13): Studded Flange Cap Screw.
(14): Machined for 7mm nozzles.