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Kubota GR2120 Garden Tractor

The Kubota GR2120 is a two-wheel drive garden tractor from GR-series. This model was manufactured between 2010 and 2018. The Kubota GR2120 powertrain system components: Kubota D782 four cycle vertical 3-cylinder water-cooled diesel engine and shaft-drive hydrostatic transmission with a single foot pedal and standard cruise control.

A 47.5 cu.in (0.78 L) engine power rating is 18.1 hp (13.5 kW) at 3000 rev/min. The maximum forward speed - 6.2 mph (10 km/h), a maximum reverse speed - 3.1 mph (5 km/h).

The Kubota GR2120 garden tractor fitted with 16x7.50-8 front tires and 23x10.5-12 rear tires. The wheelbase is 50.4 inches (1280 mm). The tractor can be equipped with the following attachments: 48" and 54" mid-mount mower decks with cutting height of 1.0-4.0 inches (25-102 mm), 46" front-mount snow blower, and 48" front blade with manual lift.

Engine
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 Ratio 24:1
Firing Order 1-2-3
Fuel Injection to combustion chamber Spherical type
Fuel Injection Pump Bosch MD type mini pump
Governor Type 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
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

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

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)


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)

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