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Kubota GR2120 Technical Data

Kubota GR2120 Engine Specifications

Engine Model ...................... Kubota D782
Engine Type ...................... Vertical, water-cooled, 4 cycle diesel
Number of Cylinders ...................... 3
Displacement, cu in (L) ...................... 47.5 (0.778)
Engine Bore, in (mm) ...................... 2.64 (67.0)
Engine Stroke, in (mm) ...................... 2.90 (73.6)
Aspiration ...................... Natural
Rated Engine Power, hp (kW) ...................... 18.1 (13.5)
Maximum Engine Power, hp (kW) ...................... 18.9 (14.2)
Rated Engine Speed, rpm ...................... 3000
High Idle Speed, rpm ...................... 3450
Low Idle Speed, rpm ...................... 900-1000
Torque Speed, rpm ...................... 1350
Compression ...................... 24:1
Firing Order ...................... 1-2-3
Fuel Injection to combustion chamber ...................... Spherical type
Fuel Injection Pump ...................... Bosch MD type mini pump
Governor ...................... All speed mechanical governor
Injection Nozzle ...................... Bosch Throttle type
Lubricating System ...................... Forced lubrication by trochoid pump
Oil Pressure Indicating ...................... Electrical type switch
Lubricating Filter ...................... Full flow paper filter (Cartridge type)
Cooling System ...................... Pressurized radiator, forced circulation with water pump
Fuel Tank Capacity, gal (L) ...................... 4.8 (18.0)
Oil Capacity, qts (L) ...................... 3.0 (2.8)
Coolant Capacity, qts (L) ...................... 2.2 (2.1)
Electrical System Rating, Volts ...................... 12
Charging Alternator ...................... 12V, 150W
Starting System ...................... Electric Starting with Starter
Starting Motor ...................... 12V, 1.0 kW
Battery ...................... 51R (12V, 475CCA)

Power Take-Off

PTO Operational Type ...................... Shaft drive
PTO Horsepower, hp (kW) ...................... 13.5 (10.2)
PTO Clutch ...................... Hydraulic wet multi discs
PTO Brake ...................... Wet multi discs

Kubota GR2120 Transmission

Transmission Type ...................... Hydrostatic
Gears ...................... Infinite forward and reverse
Cruise Control ...................... Standard
Travel Speed Control ...................... Foot pedal
Transmission Oil Capacity, qts (L) ...................... 3.5 (3.3)
Maximum Forward Speed, mph (kph) ...................... 6.2 (10.0)
Maximum Reverse Speed, mph (kph) ...................... 3.1 (5.0)
Service Brake ...................... Internal expanding brake

Kubota GR2120 Wheels and Tires

Drive Wheels ...................... 4WD 4x4
Steering Configuration ...................... Front Steer
Steering System ...................... Full hydraulic power steering (Glide steer)
Front Tire Size (Turf, Bar) ...................... 16x7.5-8
Rear Tire Size (Turf, Bar) ...................... 23x10.5-12
Front Tire Maximum Pressure, kPa (psi) ...................... 180 (26)
Rear Tire Maximum Pressure, kPa (psi) ...................... 150 (22)
Front Tread, in (mm) ...................... 32.2 (825)
Rear Tread, in (mm) ...................... 32.3 (820)

Kubota GR2120 Dimensions and Weight

Wheelbase, in (mm) ...................... 50.4 (1280)
Overall Length, in (mm) ...................... 78.3 (1990)
Width (with 48 inch mower deck), in (mm) ...................... 61 (1550)
Width (with 54 inch mower deck), in (mm) ...................... 67 (1700)
Overall Height, in (mm) ...................... 50.8 (1290)
Weight (without mower deck), lbs (kg) ...................... 790 (360)
Weight (with 48 inch mower deck), lbs (kg) ...................... 960 (435)
Weight (with 54 inch mower deck), lbs (kg) ...................... 970 (440)

48" Mower Deck

Mower Deck Model ...................... RCK48GR
Cutting Width, in (mm) ...................... 48 (1219)
Cutting Height, in (mm) ...................... 1.0-4.0 (25-102)
Adjustment of Cutting Height ...................... Dial gauge
Mounting Method ...................... Quick joint, parallel linkage
Total Length, in (mm) ...................... 35.4 (900)
Total Width, in (mm) ...................... 61 (1550)
Total Height, in (mm) ...................... 11.4 (290)
Discharge Direction ...................... Right
Gearbox Oil Capacity, qts (L) ...................... 0.16 (0.15)
Weight, lbs (kg) ...................... 165 (75)

54" Mower Deck

Mower Deck Model ...................... RCK54GR
Cutting Width, in (mm) ...................... 54 (1372)
Cutting Height, in (mm) ...................... 1.0-4.0 (25-102)
Adjustment of Cutting Height ...................... Dial gauge
Mounting Method ...................... Quick joint, parallel linkage
Total Length, in (mm) ...................... 35.6 (905)
Total Width, in (mm) ...................... 67 (1700)
Total Height, in (mm) ...................... 11.4 (290)
Discharge Direction ...................... Right
Gearbox Oil Capacity, qts (L) ...................... 0.16 (0.15)
Weight, lbs (kg) ...................... 177 (80)

KUBOTA TRACTORS TROUBLESHOOTING
L235	L2501	L2550	L275	L3110
L3301	L35	L3710	L3901	L4310
L5030	M4700	M5700	M6040	M6800
M8200	M8540	M9000	MX5100	MX5200