John Deere 4 cylinder 239 ci Non-Turbo engine
Bore: 4.19 in (106.5 mm)
Pin Diameter: 1.375 in (35mm)
Connecting rod marked: R51727, R80034
Please note: The 4 cylinder 239ci Non-Turbo engine was built with two different styles of piston. High Ring or Low Ring. We recommend matching your piston number to one below. If you are unable to do this, please select the piston type from the photos below that closest matches your existing piston. Pay particular attention to the distance between the highest piston ring and top of the piston. There is a noticeable difference and it is not recommended to interchange the two.
High Ring Piston: Often Marked RE30250, RE19282, RE18697

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Low Ring Piston: Often Marked RE11516, RE11515, AR87738

Piston Specifications (Pertains to both, the high ring and also the low ring type pistons):
Piston Pin Diameter: 1.375"
Compression Distance: 2.6089"
Compression Ring Groove 1: 1-1/8"
Oil Ring Groove Width 1: 9/64"
Agricultural: 940 Combines, 942 Combines, 6602 Combines, 1640 Tractor, 1840 Tractor, 2130 Tractor, 2135 Tractor, 2250 Tractor, 2350 Tractor, 2355 Tractor, 2355CS Tractor, 2360, 2450 Tractor, 2535 Tractor, 2550 Tractor, 2555CS Tractor, 2650 Tractor, 2730 Tractor, 2735 Tractor, 3330 Tractor, 3430, 940 Combines, 942 Combines, 6602 Combine
Construction: 70, 70D, 210C, 244E, 290D, 310C, 310D, 315C, 400G, 415B, 415C, 490, 515B
Inframe Kit Includes:
(4) Cylinder Kits (Piston, Liner, Piston Rings, Piston Pin, Pin Retainers)
(4) Rod Bearing Pairs
(1) Main Bearing Set
(1) Head Gasket Set
(1) Oil Pan Gasket
(8) Rod Bolts
Overhaul Kit Includes:
(4) Cylinder Kits (Piston, Liner, Piston Rings, Piston Pin, Pin Retainers)
(4) Rod Bearing Pairs
(1) Main Bearing Set
(1) Overhaul Gasket Set
(8) Rod Bolts
(1) Fuel System Grommet Set
(1) Rear Crankshaft Seal
(1) Front Crankshaft Seal
(4) Piston Pin Bushings
(6) Balance Shaft Bushings*
*If you are replacing the balance shaft bearings in this kit, you will need to swedge these bushing once installed. This requires a special tool (John Deere Service Guard # JD255-1)
Please note: Cylinder head bolts must be replaced when rebuilding this engine. They are sold separately (see related products below).
Cross Reference with Kit Numbers: RP236, RP242, RP830, RP836, TIK86992LR, TIK86992, TAT86992LR, TAT86992