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D1803 D1803-M D1803-M-T-E3B Complete Diesel Engine Kubota for mini excavators

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  • D1803-M-T-E3B

  • Kubota

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Product Description: Kubota D1803-M Series Diesel Engine

The Kubota D1803-M is a highly versatile and compact 3-cylinder diesel engine, renowned for its durability, fuel efficiency, and smooth operation in demanding conditions. As part of Kubota's Super 03-M series, it delivers reliable power for a wide range of compact industrial and construction equipment, balancing performance with environmental compliance.

Core Specifications at a Glance

The following specifications are based on the Kubota D1803-M-T-E3B model, a turbocharged variant within the series.

Feature Specification
Model Kubota D1803-M (Series Base)
Configuration Vertical, In-line 3-Cylinder, 4-Stroke, Water-Cooled Diesel
Displacement 1.826 L
Bore x Stroke 87 mm x 102.4 mm
Aspiration Naturally Aspirated / Turbocharged (varies by model)
Combustion System E-TVCS (Swirl Pre-combustion Chamber)
Rated Power (Sample) Up to 32.9 kW (44.7 PS) @ 2700 rpm (for turbocharged model)
Dimensions (LxWxH) Approx. 572 x 499 x 725 mm
Dry Weight Approx. 155 kg

Primary Equipment & Applications

The D1803-M engine is a preferred power source for Original Equipment Manufacturers (OEMs) globally, commonly found in:

  • Compact Construction Machinery: Powers mini excavators (e.g., 4-ton class), vibratory rollers, and skid-steer loaders.

  • Material Handling Equipment: Used in compact telehandlers (e.g., Kubota's own KTH4815-2 model).

  • Power Generation: Serves as a reliable prime mover for diesel generator sets.

  • Agricultural & Industrial Equipment: Applicable for various pumps, compressors, and other stationary equipment requiring robust and compact power.

Core Technologies & Features

  1. E-TVCS Combustion System: This Kubota-patented Three Vortex Combustion System creates optimal turbulence in the pre-combustion chamber, leading to cleaner and more efficient fuel burn. The result is lower emissions, reduced engine noise, and minimal vibration for smoother operation.

  2. Compact and Robust Design: Engineered for high power density and long service life, its compact size and relatively light weight facilitate easy integration into space-constrained equipment without sacrificing durability.

  3. Design for Serviceability: The engine layout considers maintenance ease, with key service points often accessible from one side to help reduce downtime and simplify routine checks.

  4. Emissions Compliance: Engines in this series are designed to meet various global emission regulations (such as EU Stage V), providing equipment manufacturers with a future-proof power solution.

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KELUO is a company of machinery, engines, used equipment and spare parts founded by Hanhan in combination with HANJIU, Elephant in the industry.
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