________________________________________________________________________________________
Kubota G1900 Garden Tractor
The
Kubota G1900 garden tractor was manufactured from 1989 to 2000. The Kubota G1900
is powered by Kubota D722 vertical thee-cylinder indirect injection
liquid-cooled diesel engine with a rated power of 18.8 Hp (14 kW) at 3800 rpm.
The engine has a Bosch MD mini fuel injection pump and forced
lubrication by trochoid pump. The tractor is equipped with a hydrostatic
transmission with travel speed control. The maximum travel speed
(forward and reverse): 8.1 mph (13 km/h) / 3.7 (6 km/h).
The garden tractor was equipped with a hydrostatic steering system with
2-wheel steer (G1900) or 4-wheel steer (G1900S), 16x6.50-8 front tires,
and 23x8.50-12 rear tires. The wheelbase is 51" (1290 mm). The Kubota
G1900 is compatible with the following attachments: a 48" mid-mount
3-blade mower deck with cutting height of 1.4-3.5" (35-80 mm), 54", 60"
mid-mount 3-blade mower decks with cutting height of 1.5-4.0" (38-102
mm), and 48" front blade.
| 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 |
| 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 |
| Drive Wheels |
2WD 4x2 |
| 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) |
16x6.50-8 |
| Rear Tire Size (Turf) |
23x8.50-12 |
| Rear Tire Size (Turf) |
23x10.50-12 |
| 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) |
| 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) |
________________________________________________________________________________________
________________________________________________________________________________________
| Lawn and Garden Tractors Technical Specs |
