SPECS / COMPARISON
Honda HT-R3811 vs Gravely 812
A detailed comparison of the Honda HT-R3811 and the Gravely 812. Click a model name to view its full specifications.
Horsepower
Honda HT-R38118.2 kW (11.0 HP)
Gravely 8128.9 kW (11.9 HP)
Weight
Honda HT-R3811390.0 kg (859.8 lbs)
Gravely 812408.0 kg (899.5 lbs)
| Specification | Honda HT-R3811 Garden and Lawn Tractors | Gravely 812 Garden and Lawn Tractors |
|---|---|---|
| Tractor Main Category | Garden and Lawn Care Tractors | Garden and Lawn Care Tractors |
| Tractor Type | Riding Mower Tractor | Garden Tractor |
| Horsepower | 8.2 kW (11.0 HP) | 8.9 kW (11.9 HP) |
| Weight | 390.0 kg (859.8 lbs) | 408.0 kg (899.5 lbs) |
| Transmission Type | Belt-driven gear type | Shaft-driven gear |
| Length | 153.0 cm (60.2 in.) | 191.0 cm (75.2 in.) |
| Years Made | 1985-1988 | 1973-1978 |
| Engine Model | Honda GXV340 | Kohler K301 |
| Engine Type | 4-stroke, air-cooled, inline | 4-stroke, air-cooled |
| Fuel Type | Gasoline | Gasoline |
| Cylinders | 1 | 1 |
| Displacement | 337 cc (20.6 cu in.) | 476 cc (29.0 cu in.) |
| Bore | 8.20 cm (3.23 in.) | 8.56 cm (3.37 in.) |
| Stroke | 6.40 cm (2.52 in.) | 8.26 cm (3.25 in.) |
| Middle PTO Type | Independent with manual clutch | — |
| Rated RPM | 3600 RPM | 3600 RPM |
| Spark Plug | NGK BPR5ES | Champion RH10 |
| Battery | 12 V | 12 V, 43Ah, Group 22F |
| Starter | Electric | Electric |
| Height | 100.0 cm (Steering Wheel Height: 39.4 in.) | 109.0 cm (42.9 in.) |
| Wheelbase | 109.0 cm (42.9 in.) | — |
| Fuel Tank Capacity | 1.9 l (0.5 gal) | 20.1 l (5.3 gal) |
| Oil Capacity | 1.1 l (0.3 gal) | 2.4 l (0.6 gal) |
| Engine Oil Type | SAE 10W-30, 10W-40 | SF or SG |
| Gears | 5 forward and 1 reverse | 8 forward and 4 reverse |
| Chassis | 4×2 2WD | 4×2 2WD |
| Max. Travel Speed | 2.7 km/h (Forward: 4.9 MPH (7.9 km/h) Reverse: 1.7 MPH) | 6.0 km/h (Forward: 8.4 MPH (13.5 km/h) Reverse: 3.7 MPH) |
| Cabin Type | Open operator station | Open operator station |
| Steering Type | Manual | Manual |
| Front Tires | Lawn/turf: 11×4.00-5 | Lawn/turf: 16×6.50-8 |
| Rear Tires | Lawn/turf: 16×6.50-8 | Lawn/turf: 23×8.50-12 |
| Transmission Oil Capacity | — | 5.7 l (1.5 gal) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.

