GENERAL SPECIFICATIONS SPECIFICATIONS 01-4 D31/37EX, PX-21 (7) Machine model D31EX-21 D31PX-21 400 mm Single shoe 600 mm Single shoe 600 mm Swamp shoe Serial No. 50001 – 50097 50001 – 50181 Weight Operating weight • Bare tractor • With power angle tiltdozer + ROPS cab • With power angle tiltdozer + ROPS canopy kg kg kg 5,800 7,130 7,470 6,250 7,650 7,990 6,230 7,630 7,970 Performance Min.
turning radius Gradeability Stability (front, rear, left, right) m deg deg 2.3 30 35 2.6 30 35 2.6 30 35 Travel speed Forward 1st Forward 2nd Forward 3rd Reverse 1st Reverse 2nd Reverse 3rd km/h km/h km/h km/h km/h km/h 4.3 6.5 8.5 4.3 6.5 8.5 4.3 6.5 8.5 4.3 6.5 8.5 4.3 6.5 8.5 4.3 6.5 8.5 Ground pressure Bare tractor With power angle tiltdozer + ROPS canopy With power angle tiltdozer + ROPS cab kPa {kg/cm2} kPa {kg/cm2} kPa {kg/cm2} 35.3 {0.36} 43.2 {0.44} 45.1 {0.46} 23.5 {0.24} 28.4 {0.29} 29.4 {0.30} 23.5 {0.24} 28.4 {0.29} 29.4 {0.30} Dimensions Overall length Bare tractor With power angle tiltdozer + ROPS canopy With power angle tiltdozer + ROPS cab mm mm mm 3,055 4,015 4,085 3,090 3,995 4,065 3,110 3,975 4,045 Overall width Bare tractor Power angle tiltdozer mm mm 1,850 2,435 2,250 3,200 2,250 3,200 Overall height To tip of exhaust pipe To top of operator's compartment With ROPS cab installed (not including antenna) With ROPS canopy installed mm mm mm mm 2,700 2,015 2,700 2,700 2,700 2,015 2,700 2,700 2,720 2,035 2,720 2,720 Track gauge Length of track on ground Width of track (standard track shoe) Min.
ground clearance mm mm mm mm 1,450 2,010 400 315 1,650 2,185 600 315 1,650 2,185 600 385