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 for 6068 Engine for Engine Serial Number less than (<) 154765Notes. 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 R51112Main 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. |
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| 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 | |||