Kubota D1803 Diesel Engine

New, remanufactured & rebuilt — quoted by phone, shipped nationwide

Complete Kubota D1803 diesel engines from Alpine Equipment — available new, remanufactured, or as a rebuild of your own core. The D1803 is a 3-cylinder, 111.4 cu.in. Kubota diesel engine rated 37.4–56.3 HP.

Call our factory-certified Kubota team at (801) 701-7394 for pricing and availability, or browse the 402+ D1803 parts we stock.

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Kubota D1803 Diesel Engine
  • Cylinders3
  • Displacement111.4 cu.in.
  • Bore & Stroke3.43 x 4.031 in
  • Rated Output37.4–56.3 HP
  • Max Torque85.3–134.8 lb-ft
  • AspirationNaturally aspirated / Turbocharged / Turbocharged + Turbo After Cooler
  • Dry Weight333–469 lbs

Specs vary by engine variant/spec code. Confirm fitment by part number or call us.

Shop 878 D1803 parts Filters, gaskets, injectors, pumps & rebuild components — in stock

Need pricing on a Kubota D1803 engine or a rebuild?

We sell, exchange, and rebuild Kubota engines — and stock the parts to keep yours running. Call or send a quote request.

(801) 701-7394

Call or Text — Factory-Certified Kubota Elite Dealer

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349 S 100 W, American Fork, UT 84003 · Mon–Fri 7:00 AM – 5:00 PM · Sat by Appt