The Kubota GM56 specifications include production from 1998 – 2006, engine power rated at 55.1 hp (41.1 kW), a 24 forward gears (reverse count not listed) transmission, and a listed weight of 4,740 to 5,049 lbs.
Kubota GM56 key specifications
| Production years | 1998 – 2006 |
|---|---|
| Horsepower | 55 hp |
| Engine power | 55.1 hp (41.1 kW) |
| PTO power | 51.1 hp (38.1 kW) |
| Displacement | 202.5 cu in (3.3 L) |
| Transmission | 24 forward gears (reverse count not listed) |
| Fuel capacity | 15.9 gal (60.2 L) |
| Weight | 4,740 to 5,049 lbs |
| Wheelbase | 82.7 inches (210 cm) |
Kubota GM56 Kubota model comparison
See how this tractor compares across up to six main specifications using the low, average and high values among Kubota models in this database.
Engine power55.1 hp
Low 9 hpAverage 44.1 hpHigh 200 hp
PTO power51.1 hp
Low 8 hpAverage 50.5 hpHigh 159 hp
Displacement3.3 L
Low 0.5 LAverage 2.4 LHigh 6.7 L
Fuel capacity15.9 gal
Low 2.1 galAverage 17.3 galHigh 99 gal
Maximum listed weight5,049 lbs
Low 528 lbsAverage 3,997.4 lbsHigh 19,510 lbs
Wheelbase82.7 in
Low 43.5 inAverage 69.9 inHigh 114 in
This model Kubota database average
Kubota GM56 power chart
Compare the available engine, PTO and drawbar power ratings.
Kubota GM56 dimensions chart
Compare the main listed tractor dimensions using centimetres.
Engine specifications
| Bore/Stroke | 3.86 × 4.33 inches (98 × 110 mm) |
|---|---|
| Rated RPM | 2,200 |
| Starter | negative |
| Starter volts | 12 |
PTO and hitch
| Rear hitch category | Category I |
|---|---|
| Hitch control | position and draft control |
| Rear lift | 3,814 lbs (1,730 kg) |
| Rear PTO speed | 569, 799, or 1,130 rpm, 1.375-inch shaft |
Hydraulics
| Pump flow | 11 gpm (41.6 L/min) |
|---|
Electrical specifications
| Electrical ground | electric |
|---|---|
| Battery volts | 12 |
Dimensions and weight
| Length | 143.9 inches (365 cm) |
|---|---|
| Width | 61.6 inches (156 cm) |
| Ground clearance | 16 inches (40 cm) |
| ROPS height | 96.9 inches (246 cm) |
| Cab height | 94.9 inches (241 cm) |
| ROPS Weight | 4,740 lbs (2,150 kg) |
| Cab Weight | 5,049 lbs (2,290 kg) |
Tires and tread
| Front tread | 48 inches (121 cm) |
|---|---|
| Rear tread | 48 to 67.7 inches (121 to 171 cm) |
| Standard tires (ag) | Front: 8.3-20. Rear: 12.4-32 |
Note: Comparison values are calculated from Kubota models in this specifications database. Specifications can vary by year, market, configuration, tires and optional equipment. For official specifications, check the official Kubota website or the tractor’s operator manual.

