Kubota G1900 Engine Specs
Engine Model …………………. Kubota D722
Engine Type …………………. Vertical, 4-stroke 3-cylinder diesel
Number of Cylinders …………………. Three
Displacement, cu in (L) …………………. 43.9 (0.719)
Engine Bore, in (mm) …………………. 2.64 (67.0)
Engine Stroke, in (mm) …………………. 2.68 (68.0)
Rated Engine Power, hp (kW) …………………. 18.8 (14.0)
Maximum Engine Power, hp (kW) …………………. 20.0 (14.9)
Rated Engine Speed, rpm …………………. 3800
Compression …………………. 23.5:1
Firing Order …………………. 1-2-3
Fuel System …………………. Indirect injection
Fuel Injection Pump …………………. Bosch MD type mini pump
Governor …………………. All speed mechanical governor
Direction of Rotation …………………. Counter-clockwise
Injection Nozzle …………………. Bosch Throttle type
Lubricating System …………………. Forced lubrication by trochoid
pump
Injection pressure, MPa (psi) …………………. 13.73 (1991)
Fuel Tank Capacity, gal (L) …………………. 5.0 (18.9)
Engine Oil Capacity, qts (L) …………………. 3.4 (3.2)
Coolant Capacity, qts (L) …………………. 3.3 (3.1)
Electrical System Rating, Volts …………………. 12
Starting System …………………. Electric Starting with Starter
Starting Motor …………………. 12V, 0.8 kW
Battery …………………. 12V, 36 AH equivalent
Charging Alternator …………………. 12V, 150W
Kubota G1900 Transmission
Transmission Type …………………. Hydrostatic
Gears …………………. Infinite forward and reverse
Differential Lock …………………. Standard
Travel Speed Control …………………. One pedal (Forward/Reverse)
Maximum Forward Speed, mph (kph) …………………. 8.1 (13.0)
Maximum Reverse Speed, mph (kph) …………………. 3.7 (6.0)
PTO Speed, rpm …………………. 2000
Service Brake …………………. Internal expanding shoe
Kubota G1900 Wheels and Tires
Drive Wheels …………………. 2WD 4×2
Steering Configuration …………………. Front Steer
Front Steering Wheels (G1900) …………………. 2-Wheel Steer
Front Steering Wheels (G1900S) …………………. 4-Wheel Steer
Steering System …………………. Hydrostatic
Front Tire Size (Turf) …………………. 16×6.50-8
Rear Tire Size (Turf) …………………. 23×8.50-12
Rear Tire Size (Turf) …………………. 23×10.50-12
Kubota G1900 Dimensions and Weight
Wheelbase, in (mm) …………………. 51 (1290)
Overall Length, in (mm) …………………. 73.4 (1860)
Overall Width, in (mm) …………………. 40.7 (1030)
Overall Height, in (mm) …………………. 45.7 (1160)
Weight (G1900), lbs (kg) …………………. 707 (320)
Weight (G1900S), lbs (kg) …………………. 749 (340)
Kubota G1900 Mower Deck Specifications
Mower Deck Model …………………. RC48
Mower Deck Type …………………. Mid-mount
Number of Blades …………………. 3
Drive Method …………………. Belt
Cutting Width, in (mm) …………………. 48 (1220)
Cutting Height, in (mm) …………………. 1.4-3.5 (35-80)
Mower Deck Model …………………. RC54
Mower Deck Type …………………. Mid-mount
Number of Blades …………………. 3
Drive Method …………………. Belt
Cutting Width, in (mm) …………………. 54 (1370)
Cutting Height, in (mm) …………………. 1.5-4.0 (38-102)
Mower Deck Model …………………. RC60
Mower Deck Type …………………. Mid-mount
Number of Blades …………………. 3
Drive Method …………………. Belt
Cutting Width, in (mm) …………………. 60 (1520)
Cutting Height, in (mm) …………………. 1.5-4.0 (38-102)