Used Kubota D1703 Diesel Engine for Sale | 1.6L 3-Cylinder Rebuilt for Mini Excavators

Used Kubota D1703 3-Cylinder Diesel | 1.6L Rebuilt for Excavators & Construction Equipment

Parameter	Specification
Engine Model	Kubota D1703
Type	Water-Cooled, 4-Cycle, 3-Cylinder, Inline Diesel
Displacement	1.6 L (1,647 cc)
Bore × Stroke	87.0 mm × 92.4 mm
Rated Output	26.1 kW (35.0 HP) @ 2,800 RPM
Max Torque	104 N·m @ 1,800–2,000 RPM
Combustion System	Indirect Injection (E-TVCS)
Aspiration	Naturally Aspirated
Emission Standard	Tier 4 / Stage V (varies by variant)
Governor	Mechanical All-Speed Type
Starter	12V 2.0 kW
Alternator	12V 60A
Dry Weight	Approx. 159 kg

Category Kubota Engine

Are you looking for a reliable, compact used diesel engine for your mini excavator or compact equipment? This fully rebuilt Kubota D1703 diesel engine delivers proven performance for demanding applications. With a displacement of 1.6 liters and a naturally aspirated 3-cylinder design, this used engine for sale is a trusted power solution for mini excavators, compact tractors, generators, and other light construction equipment. The D1703 belongs to Kubota’s 03 Series and is known for its durability, fuel efficiency, and low emissions. We have completely overhauled this used engine for sale to restore its original factory performance. It gives you a cost‑effective way to keep your compact equipment working.

Applications & Compatibility

Mini Excavators: Direct fit for New Holland E30D, Case CX30D, KMZ40 4-ton mini excavator, HT35 3.5-ton excavator, and various 3.5–4 ton mini excavators
Compact Tractors: Suitable for Kubota L3300DT and similar models
Construction Equipment: Compaction rollers (e.g., CASE DV26E), small wheel loaders
Power Generation: Generator sets with prime power ratings from 9–14 kW
Industrial Equipment: Pumps, small forklifts, and other light industrial machinery

Note that power outputs and weights vary slightly by equipment application and specific variant.

Key Features

Proven Kubota Reliability: The D1703 engine features a robust cast-iron block and cylinder head. It is designed for continuous operation in demanding construction environments.
E-TVCS Indirect Injection System: The engine uses Kubota’s E-TVCS combustion technology. This system provides high power output and strong torque in a compact package.
Compact and Lightweight Design: With a dry weight of about 159 kg and small dimensions, the D1703 fits easily into tight engine compartments on mini excavators and compact tractors.
Low Noise and Vibration: The engine includes design features such as a half-float valve cover and coated pistons. These reduce noise and vibration compared to conventional diesel engines.
Super Glow System: The super glow system shortens pre-heat time for quicker cold-weather starting.
Fuel-Efficient Operation: The D1703 balances power and fuel economy, helping lower your operating costs over time.
Fully Rebuilt to OEM Standards: We completely disassemble each engine and rebuild it to original Kubota factory specifications. All critical wear parts are replaced with new components.
Tested Before Shipping: Every unit is hot-run tested to verify compression, oil pressure, cooling performance, and injection timing. A test report is available upon request.
Ready to Install: This used engine for sale ships as a complete long-block assembly with pre-installed filters and fluids. Necessary mounting hardware is included for straightforward installation.

Why Buy From Us

12-Month Warranty: Coverage for parts and workmanship on all rebuild components
Worldwide Shipping: Secure export packaging and freight coordination available
Compatibility Support: Free fitment check with your machine model and serial number
Core Exchange Available: Ask about returning your old engine core to save on cost
Documentation Provided: Full rebuild reports and test results upon request