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2 Main technical specifications of the engine
Tractor Model
254G2/304G2
404G2
Engine Model
390
490
Type
Vertical, Water cooling,
Four-stroke
Vertical, Water cooling,
Four-stroke
Number of cylinders
3
4
Cylinder bore
(
mm
)
90
90
Piston stroke (mm)
95
100
Piston displacement (L)
1.813
2.543
Compression ratio
22
22
Cylinder sleeve type
wet
wet
Rated power (kW )
18.4
22.4
25.8
29.4
Rated fuel consumption
(g/kW. h)
≤275
≤275
Rated speed (rpm)
2400
2400
2400
2400
Max. Torque (N. m)
≥89
≥96.8
≥117.8
≥134.5
Net weight (kg)
195
200
Overall
dimensio
ns (mm)
Length
587
729
Width
492
512
Height
650
650
3 Drive system
Tractor
Model
254G2/304G2/404G2
Clutch
Linkage type, double-acting clutch
Gearbox
(4+1)×2 , planar 3-shaft for main transmission, epicyclic gearing for
Hi-Lo speed range transmission
Main drive
One pair of spiral bevel gears
Differential
Bevel gear
Final
transmission
s
Spur gear, external gearing