Crawler bulldozers SHEHWA SD7N, Samara

Indicators Value
Weight (without ripper), kg 23800
Ripper weight 3900
Ground pressure (without ripper), 71.9 kPa
Tilt angle: longitudinal/ transverse direction 30° / 25°
Minimum ground clearance, mm 404
Dimensions with ripper, mm
Length 7604
Width 3823
Height 3402
The dump
The type of blade is hemispherical
Height, mm 1280
Width, mm 3823
Capacity, m 6.3
Blade depth, mm 498
Engine
Cummins NTA855-C280 model
Nominal rotation speed, rpm 2100
Rated power, kW (hp) at 1800 rpm 162 (220)
Torque reserve ratio, % 23
Power transmission
Single-level, single-phase, three-element torque converter
Transmission planetary gear, multi-disc clutch, hydraulic coupling, forced lubrication
Main drive bevel gear, single-stage speed reduction, spray lubrication
Wet type on-board clutch, multi-disc, spring clamp, hydraulic disconnection and control
Final drive cylindrical spur wheel, two-stage speed reduction, spray lubrication
Wet, floating type brake transmission, direct hydraulic interlink control
Hydraulic system
Maximum pressure, 18.6 MPa
Speed, l/min 194
Pump type gear pump
Forward speed, km/h
1 speed 0-3.9
2 speed 0-6.5
3 speed 0-10.9
Rear speed, km/h
1 speed 0-4.8
2 speed 0-8.2
3 speed 0-13.2
Undercarriage
Load-bearing rollers, 1 on each side
Support rollers with 7 on each side
Link width, mm 560
Pitch, mm 216