03 Series

The Kubota 03 Series is well recognized for industrial applications. With numerous features such as a built-in solenoid, low fan position, and single side serviceability, this engine offers excellent performance characteristics and application flexibility.

  • Cleaner Emissions – Compared to conventional Indirect Injection and Direct Injection engines in the same class, Kubota’s 03 Series has attained cleaner exhaust thanks to E-TVCS (Three Vortex Combustion System–Kubota’s highly efficient combustion system produces an ideal air/fuel mixture by creating 3 vortexes in the combustion chamber. This results in better cross flow of air and exhaust gases, lower air intake temperature, and improved combustion efficiency.)
  • Low Noise – Noise levels during load and no-load operations are kept to a minimum with Kubota’s renowned low-noise diesel engine technology and E-TVCS.
  • Quick Start Ups – “Quick Glow” system comes as standard equipment to shorten preheating time and quicken engine start up in cold temperature.
  • Highly Reliable Engine – Based on Kubota’s original sturdy design, the engine promises great reliability and long service life with advantages to meet most any application.
  • Accessories / Options – A full range of accessories / options are available to meet customer’s requirements.

Model
EPA Tier
Gross Intermittent
Maximum Speed
Cylinders
Combustion system
Intake System
D1503-M-E3B 4 interim 23.8 / 31.9 2800 3 IDI Naturally Aspirated
D1703-M-E3B 4 interim 26.1 / 35.0 2800 3 IDI Naturally Aspirated
D1703-M-E4B 4 18.5 / 24.8 2200 3 DI Naturally Aspirated
D1803-M-E3B 4 interim 27.9 / 37.4 2700 3 IDI Naturally Aspirated
D1803-M-DI-E3B 4 interim 27.9 / 37.4 2700 3 DI Naturally Aspirated
D1803-CR-E4B 4 28.0 / 37.6 2700 3 DI Naturally Aspirated
D1803-CR-T-E4B 4 / Stage IIIB 37.0 / 49.6 2700 3 DI Turbocharged
V2003-M-E3B 4 interim 32.6 / 43.7 2800 4 IDI Naturally Aspirated
V2203-M-E3B 4 interim 35.9 / 48.1 2800 4 IDI Naturally Aspirated
V2403-M-E3B 4 interim 36.5 / 48.9 2700 4 IDI Naturally Aspirated
V2403-M-DI-E3B 4 interim 36.5 / 48.9 2700 4 DI Naturally Aspirated
V2403-CR-E4B 4 / Stage IIIB 37.4 / 50.2 2700 4 DI Naturally Aspirated
V2403-M-T-E3B 4 interim 44.0 / 59.0 2700 4 IDI Turbocharged
V2403-CR-T-E4B 4 / Stage IIIB 48.6 / 65.2 2700 4 DI Turbocharged

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