Engines for Construction Machinery


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Features & Benefits

  • Strong power, big torque output, quicker response.
  • Highly fuel efficient.
  • Highly reliable and durable.
  • Lower fuel & oil consumption, lower noise and emission.
  • Longer service life.
  • Parts and components are highly interchangeable and ease of maintenance; spare parts are of ample supply.
  • Emission can be upgraded to T3 and beyond.

Technical Specifications

Engine Model YC4A80-T20 YC4A85-T20 YC4A90-T20 YC4A90-T22
Configuration Vertical, in-line, 4 stroke,water-cooled,direct injection
Number of Cylinders× Bore × Stroke 4-108×132
Displacement (L) 4.84
Compression ratio 17.5:1
Aspiration Naturally aspirated
Fuel System Mechanical pump
Rated Power /Speed (kW/r/min) 57/2200 62/2200 66/2200 66/2300
Torque/Speed (N.m/r/min) 300/1550±100 320/1550±100 330/1550±100 320/1550±100
Min. fuel consumption with full load (g/kW.h) ≤205
Speed governing rate % 8~12
Emission Tier2
Application 70hp tractor 75hp tractor,  combine harvester 80hp tractor,  combine harvester, 7.22 inch sand pump 80hp tractor,  harvester, 20~25 excavator, 7/8m³air compressor