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Engines for Construction Machinery

YC4D SERIES DIESEL

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 YC4D80-T20 YC4D80-T21 YC4D80-K20 YC4D85Z-T20 YC4D95Z-T20
Configuration Vertical, in-line, 4 stroke, water-cooled, direct injection
Number of Cylinders × Bore × Stroke 4-108×115
Displacement (L) 4.21
Compression ratio 17.5:1
Aspiration Naturally aspirated Turbocharging, inter-cooled
Fuel System Mechanical pump
Rated Power / Speed (kW/r/min) 58/2400 56/2200 58/2400 60/2200 70/2400
Torque / Speed (N.m/r/min) 260/1550±100 260/1550±100 / 320/1500~1700 320/1680±100
Min. fuel consumption
with full load (g/kW.h)		 ≤210
Speed governing rate % 8~12
Emission Tier2
Application Excavator, loader, forklift truck,
drilling machine, harvester,
aerial work platform		 Excavator, loader, drilling machine,
paver, harvester, milling machine		 Excavator, loader, drilling machine,
static roller, concrete pavement
joint cleaning machine		 Excavator, harvester, drilling machine,
milling machine, crushing machine,
gravel truck