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Kubota B21 Specs

Engine Specifications

Type - Kubota E-TVCS diesel, 3-cylinder, liquid-cooled 61 ci (1.0 L)
Bore/Stroke - 3.00x2.90 inches (76x74 mm)
Power (gross) - 21 hp (15.7 kW)
Rated RPM - 2600
Starter volts - 12
Oil capacity - 3.2 qts (3.0 L)
Coolant capacity - 3.6 qts (3.4 L)
Electrical Ground - negative
Battery Volts - 12
Capacity Fuel - 6.3 gal (23.8 L)

Kubota B21 Transmission

Type - hydrostatic
Gears - infinite (3-range) forward and reverse
Oil capacity - 29.2 qts (27.6 L)

Power Take-off

Rear PTO - live
Rear RPM - 540
PTO (claimed) - 13.5 hp (10.1 kW)

Mechanical

Chassis - 4x4 MFWD 4WD
Differential lock - mechanical rear
Steering - hydrostatic power
Brakes - wet disc
Cab - Four-post ROPS/FOPS

Kubota B21 Hydraulics

Type - open center
Capacity - 7.3 gal (27.6 L)
Pump flow - 7.1 gpm (26.9 lpm)
Total flow - 8.5 gpm (32.2 lpm)
Steering flow - 1.3 gpm (4.9 lpm)

3-Point Hitch

Rear Type - I
Control - position control
Rear lift (at 24"/610mm) - 1017 lbs (461 kg)

Kubota B21 Dimensions and Tires

Industrial front Tires - 23x8.50-14
Industrial rear Tires - 12.4-16
Weight - 3988 lbs (1808 kg)
Wheelbase - 60.4 inches (153 cm)
Front tread - 37.8 inches (96 cm)
Rear tread - 41.3 inches (104 cm)
2WD turn radius - 9.4 feet (2.9 m)

Backhoe and Loader

Loader Specifications

Height (to pin) - 88.8 inches (225 cm)
Dump angle - 45
Rollback angle - 40
Breakout force (at pin) - 1543 lbs (699 kg)
Lift to full height (at pin) - 926 lbs (420 kg)
Bucket width - 56 inches (142 cm)
Raise time to height - 3s

Backhoe Specifications

Bucket width - 16 inches (40 cm)
2-Foot flat digging depth - 91.7 inches (232 cm)
Reach from pivot - 121.3 inches (308 cm)
Swing Arc - 180
Bucket force - 3110 lbs (1410 kg)
Dipperstick force - 1748 lbs (792 kg)