ENGINE
1762 products
SMA knows that it’s vital for your tractor engine to run at peak condition, whether you are repairing a modern tractor or restoring yesterday’s tractor. To assist you, we stock a huge offering of internal engine parts, external engine parts, tractor engine overhaul kits. Rest assured, we have something that works with a wide range of equipment, including John Deere, Allis-Chalmers, Massey Ferguson, Case IH, Ford Tractor, New Holland, and many other makes of tractors.
Our deep offering includes tractor cam and crank shafts, tractor engine cylinder heads, cylinder parts, engine bearings and bushings, engine gaskets, engine oil pumps, rod bolts, engine sleeves and valve train components. These parts also fit a wide range of tractor makes.
Similarly, we also stock a huge selection of external engine parts as well. Whether you need flywheel rings and gears, tractor turbos, tractor oil coolers, tractor engine heaters, tractor engine governors, or engine belts, SMA has what you need, ready to ship today.

Gasket set, complete/overhaul (with crankshaft seals). 1 set used in 201 CID 4 cylinder gas engine (block # R26150) & 227 CID 4 cylinder gas engine (to s/n 122999). In stock

CASE: Main bearing kit, 0.75mm. 1 kit used in 6-590, 6T-590, 6TA-590 CDC-B series non-emission 6 cylinder diesel engines. CASE: Main bearing kit, 0.75mm In stock

Remanufactured, Casting 3055029R1
In stock
Sleeve & piston kit. Contains sleeves, pistons, rings, pins & retainers. For 3-11/16" standard bore
Make | Type | Model |
---|---|---|
International Harvester | Industrial Tractor | 2656, 2706 |
International Harvester | Tractor | 656, 706 |

Sleeve & piston kit. Contains sleeves, 3-ring pistons, rings, pins & retainers. For 4.56" bore. Use with connecting rod marked R57303 or R67320. 1 kit used in 466 CID 6 cylinder turbocharged diesel engine.
Make | Type | Model |
---|---|---|
John Deere | Tractor | 4440, 4640, 4840, 8430, 8440, 8450 |

Sleeve & piston kit, 4.19" bore. For standard compression engines with pistons marked RE19278. Contains sleeves, 3 ring pistons, rings, 1-5/8" OD pins & retainers. 1 kit used in 179 CID 3 cylinder turbocharged diesel engine.
Make | Type | Model |
---|---|---|
John Deere | Tractor | 1950, 1950F, 1950N, 2355, 2355N |

Sleeve & piston kit. Tractors: Dexta (3 cylinder 144 CID & 152CID Perkins engine). Contains sleeves, pistons, rings, pins & retainers.
Make | Type | Model |
---|---|---|
Ford_New Holland | Tractor | Dexta, Super Dexta |

Sleeve & piston kit. Contains sleeves, 3-ring pistons, rings, pins & retainers. For 4-1/4" bore. 1 kit used in 404 CID 6 cylinder diesel engine (s/n 335846 & up).
Make | Type | Model |
---|---|---|
John Deere | Tractor | 4000, 4020, 4040, 4230 |

Sleeve & piston kit, 3.86" bore, 2 grooves on sleeve. Contains sleeves, pistons, rings, and retainers. 1 kit used in 135 CID 3 cylinder gas engine (to s/n 162078).
Make | Type | Model |
---|---|---|
John Deere | Tractor | 1020 |