YC4D Details

Yuchai YC4D marine engine — OBKA Group

YC4D Products Description

  • 1. High comfortability: Water-cooled exhaust pipe + wet post-turbo pipe + high-efficiency heat exchanger and intercooler provide excellent heat dissipation; efficient combustion delivers low fuel consumption and leading NVH performance.
  • 2. High adaptability: Wide power range with high torque reserve for various commercial and leisure applications.
  • 3. Safety & reliability: Reinforced engine design with overhaul period over 10,000 hours.
  • 4. High economy: Bosch high-pressure common-rail enables precise control and lower fuel consumption.

Technical Specifications

Model YC4D190L-C20 YC4D125L-C22 YC4D105L-C22 YC4D90L-C22
Number of cylinders – bore × stroke (mm) 4 — 108 × 115 4 — 108 × 115 4 — 108 × 115 4 — 108 × 115
Displacement (L) 4.214 4.214 4.214 4.214
Number of valves per cylinder 2 2 2 2
Induction system Turbocharged Turbocharged Turbocharged Turbocharged
Rated power / speed
(kW (PS) / r·min⁻¹)
127 (170) / 3000 90 (125) / 1500 74 (105) / 1500 65 (90) / 1500
Overload power / speed
(kW (PS) / r·min⁻¹)
139.7 (190) / 3096 99 (140) / 1500 81.4 (115) / 1500 71.5 (100) / 1500
Min. specific fuel consumption
(g/kW·h)
≤ 220 ≤ 220 ≤ 220 ≤ 220
Certificates CCS, China II CCS, China II CCS, China II CCS, China II
Dimensions (L × W × H) (mm) 1123 × 740 × 854 1123 × 740 × 854 1123 × 740 × 854 1123 × 740 × 854
Dry weight (kg) 490 490 490 490
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