U20-3, U25-3 WSM Engine
III-4
a. Engine Specifications for construction machinery
U20-3EU U25-3EU
Model D1105-EBH-10 D1105-EBH-11
No. of cylinder 3 ←
Bore × Stroke
mm 78.0 × 78.4 ←
in 3.07 × 3.09 ←
Displacement
cc 1123 ←
in
3
68.53 ←
Max. output/rpm
kW/rpm 14.0/2200 15.5/2400
PS/rpm 19/2200 21/2400
HP/rpm 18.7/2200 20.7/2400
Compression ratio 24 ←
Max. torque
N⋅m66.2 65.8
kgf⋅m6.8 6.7
ft⋅lbf 49.2 48.5
Dimensions:L×W×H
mm 462 ×
394 × 616 ←
in. 18.2 × 15.5 × 24.3 ←
Dri weight
kg 89 ←
lbs 196.2 ←
Valve clearance
mm 0.145-0.185 ←
in. 0.0057-0.0073 ←
Firing sequence 1-2-3 ←
Compression pressure
(A)/(B)
MPa 3.23-3.63/2.3 ←
kgf/cm
2
33-37/23 ←
psi 469-526/327 ←
Fan belt Bando RPF2370 ←
Fuel consumption ratio
g/kWh 286 ←
g/Psh 210 ←
lbs/Hph 0.47 ←
Fuel consumption
l/h 4.6 5.0
gal/h 1.22 1.32
Max.speed without load rpm 2600≥←
Speed with 2 pumps relief rpm 2200≥←
Speed with idling rpm 1200-1300 ←
Engine oil pressure
with rated engine rpm
kPa 196-441/10 ←
kgf/cm
2
2.0-4.5/1.0 ←
psi 28.4-64.0/14.2 ←
Injection pressure
MPa 13.7-14.7 ←
kgf/cm
2
140-150 ←
psi 1991-2133 ←
Engine oil
consumption ratio
g/kWh 0.95 ←
g/Psh 0.7 ←
lbs/Hph 0.71 ←
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