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John Deere Parts 6068 Engine

John Deere Parts for Engines:-Engine Overhaul Kits| Crankshafts | Injectors| Cylinder Head | Water Pump | Valve Train Kit | Oil Pump | Gasket Sets

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    John Deere Parts Catalog

    Tractor-Parts-CatalogJohn Deere Parts for 6068 Engine for Engine Serial Number less than (<) 154765

    Notes. The 6068 engine is part of the 300 Series John Deere Engines manufactured in Saran, France and in Dubuque in Iowa, USA. For serial numbers less that 154865, the liner o rings are fixed on the liners. This is a 3 cylinder engine, with a bore of 3.86 inches (98mm), and a piston pin diameter of 1.185 inches (30mm).
    The engine block will have casting numbers of T24963 or T26935, and the connecting rods will have casting numbers of T20007 or R81410.
    This engine is found on John Deere 820, 1020 and 1030 Tractors, and the 300, 300A backhoe, the 350A and 350B dozer and the 380 Forklift.
    Major Part Description Sub Component Description Part Number Part Contents and Description
    John Deere Engine Overhaul Kits Complete Engine Overhaul Kit OK3481 Comes with Pistons, Pins, Pin Retainers, Rings, Liners, Liner O Rings, Cam Shaft bushings, Main Bearings, Thrust Bearings, Con Rod Bearings, Rear & Front Crank Seal, Complete Gasket Set, cap screws and injector grommets.
    In frame Overhaul Kit IK3481 Comes with Pistons, Pins, Pin Retainers, Rings, Liners, Liner O Rings, Main Bearings, Thrust Bearings, Con Rod Bearings, head gasket set, oil pan gasket & cap screws.
    John Deere Engine Parts Piston Liner Kit PLK481 Consists of
    Pistons T23481
    Rings AR70633
    Piston Pins T23482
    Liners AR51902
    Piston Pin Retainers R51112
    Main Bearing RE27352 Standard
    RE27353 0.010 Oversize
    RE27360 0.020 Oversize
    RE27368 0.030 Oversize
    Thrust Bearing AT21139 Standard
    AT21132 0.010 Oversize
    AT21134 0.020 Oversize
    AT21136 0.030 Oversize
    Con Rod Bearings RE27348 Standard
    RE27349 0.010 Oversize
    RE27358 0.020 Oversize
    RE27364 0.030 Oversize
    John Deere Crankshaft Kit Front Seal AR67942
    Rear Seal RE44574 Do no use with Flywheel Housing with casting # T20300 & T22991
    Crankshaft AT18031
    Crankshaft Gear T20094
    Ring Gear R114282 142 teeth
    John Deere Con Rods Parts Con Rod Bush T23471
    Con Rod Bolt R74194 Use R74194 with con rod casting # T20007, use R80033 with con rod casting # R81410
    Con Rod AT18005
    John Deere Oil Pump Parts Oil Pump RE55343
    Oil Cooler RE31929 Conversion Kit available. Part # MX386
    Rocker Arm RE31973
    Rocker Shaft R54985
    Oil Pump Tube R113752
    John Deere Engine Gears Lower Gear AT24252
    Lower Bushing T26321
    Upper Gear AT18009
    Upper Bushing T20034
    Cam Follower T20073
    Cam Gear T20070
    John Deere Valve Train Parts Intake Valve R79623 Standard
    R79628 0.003 Oversize
    R79629 0.015 oversize
    Exhaust Valve R79624 Standard
    R79625 0.003 Oversize
    R79626 0.015 oversize
    Intake Valve Insert R73064 Standard
    Exhaust Valve Insert R51734 Standard
    Valve Cap R20129
    Valve Lock R20077
    Valve Spring R26125
    Valve Rotator RE11410
    Valve Seal (O Ring) R87627
    Other John Deere Engine Parts Thermostat RE33705 Do no use this thermostat with a housing that has the following casting #’s R70741, R74549
    Thermostat Cover T23620
    Fuel Transfer Pump RE42211
    Water Pump Repair Kit RE19507 Water pump Kit has no Impeller
    RE62658 Water Pump Kit has Impeller
    Injectors AR89564
    Injector Seals R60746
    R48000

    John Deere Parts for 6068 Engine for Engine Serial Number more than (>) 154766

Notes. The 6068 engine is part of the 300 Series John Deere Engines manufactured in Saran, France and in Dubuque in Iowa, USA. For serial numbers more that 154866, the liner o rings are fixed in the engine block. This is a 3 cylinder engine, with a bore of 3.86 inches (98mm), and a piston pin diameter of 1.185 inches (30mm).
The engine block will have casting numbers of R53240, R55100, R72967, and T32339, and the connecting rods will have casting numbers of T20007 or R81410.
This engine is found on John Deere 820, 830, 1020 and 1030 Tractors, and the 300, 300A, 300B backhoe, the 301 Industrial tractor, the 350A and 350B dozer and the 380 Forklift.
Major Part Description Sub Component Description Part Number Part Contents and Description
John Deere Engine Overhaul Kits Complete Engine Overhaul Kit OK3591 Comes with Pistons, Pins, Pin Retainers, Rings, Liners, Liner O Rings, Cam Shaft bushings, Main Bearings, Thrust Bearings, Con Rod Bearings, Rear & Front Crank Seal, Complete Gasket Set, cap screws and injector grommets.
In frame Overhaul Kit IK3591 Comes with Pistons, Pins, Pin Retainers, Rings, Liners, Liner O Rings, Main Bearings, Thrust Bearings, Con Rod Bearings, head gasket set, oil pan gasket & cap screws.
John Deere Engine Parts Piston Liner Kit RE71591 Consists of
Pistons T23481
Rings AR70633
Piston Pins T23482
Liners T32340
Liner O Rings AR71617
Piston Pin Retainers R51112
Main Bearing RE27352 Standard
RE27353 0.010 Oversize
RE27360 0.020 Oversize
RE27368 0.030 Oversize
Thrust Bearing AT21139 Standard
AT21132 0.010 Oversize
AT21134 0.020 Oversize
AT21136 0.030 Oversize
Con Rod Bearings RE27348 Standard
RE27349 0.010 Oversize
RE27358 0.020 Oversize
RE27364 0.030 Oversize
John Deere Crankshaft Kit Front Seal AR67942
Rear Seal RE44574 Do no use with Flywheel Housing with casting # T20300 & T22991
Crankshaft AT18031
Crankshaft Gear T22094
Ring Gear R114282 142 teeth
John Deere Con Rods Parts Con Rod Bush T23471
Con Rod Bolt R74194 Use R74194 with con rod casting # T20007, use R80033 with con rod casting # R81410
Con Rod AT18005
John Deere Oil Pump Parts Oil Pump RE55343
Oil Cooler RE31929 Conversion Kit available. Part # MX386
Rocker Arm RE31973
Rocker Shaft R54985
Oil Pump Tube R113752
John Deere Engine Gears Lower Gear AT24252
Lower Bushing T26321
Upper Gear AT18009
Upper Bushing T20034
Cam Follower T20073
Cam Gear T20070
John Deere Valve Train Parts Intake Valve R79623 Standard
R79628 0.003 Oversize
R79629 0.015 oversize
Exhaust Valve R79624 Standard
R79625 0.003 Oversize
R79626 0.015 oversize
Intake Valve Insert R73064 Standard
Exhaust Valve Insert R51734 Standard
Valve Cap R20129
Valve Lock R20077
Valve Spring R26125
Valve Rotator RE11410
Valve Seal (O Ring) R87627
Other John Deere Engine Parts Thermostat RE33705 Do no use this thermostat with a housing that has the following casting #’s R70741, R74549
Thermostat Cover T23620
Fuel Transfer Pump RE42211
Water Pump Repair Kit RE19507 Water pump Kit has no Impeller
RE62658 Water Pump Kit has Impeller
Injectors AR89564
Injector Seals R60746
R48000

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