SPECS / COMPARISON
Simplicity 4040 PowrMax vs Wheel Horse 257-H
A detailed comparison of the Simplicity 4040 PowrMax and the Wheel Horse 257-H. Click a model name to view its full specifications.
Horsepower
Simplicity 4040 PowrMax12.3 kW (16.5 HP)
Wheel Horse 257-H12.7 kW (17.1 HP)
| Specification | Simplicity 4040 PowrMax Garden and Lawn Tractors | Wheel Horse 257-H Garden and Lawn Tractors |
|---|---|---|
| Tractor Main Category | Garden and Lawn Care Tractors | Garden and Lawn Care Tractors |
| Tractor Type | Garden Tractor | Lawn Tractor |
| Horsepower | 12.3 kW (16.5 HP) | 12.7 kW (17.1 HP) |
| Weight | 590.0 kg (1300.7 lbs) | — |
| Transmission Type | Hydrostatic | Belt-driven hydrostatic |
| Length | 210.0 cm (82.7 in.) | 182.0 cm (71.7 in.) |
| Years Made | 1987-1989 | 1988-1989 |
| Engine Model | Onan CCKA | Kawasaki FC540V |
| Engine Type | 4-stroke, air-cooled | 4-stroke, air-cooled, inline |
| Fuel Type | Gasoline | Gasoline |
| Cylinders | 2 | 1 |
| Displacement | 816 cc (49.8 cu in.) | 534 cc (32.6 cu in.) |
| Bore | 8.31 cm (3.27 in.) | 8.89 cm (3.50 in.) |
| Stroke | 7.59 cm (2.99 in.) | 8.61 cm (3.39 in.) |
| Rear PTO Type | Independent with electric clutch | — |
| Rear PTO Speed | 2.000 RPM | — |
| Front PTO Type | Independent with electric clutch | — |
| Front PTO Speed | 3.600 RPM | — |
| Rated RPM | 3600 RPM | — |
| Compression Ratio | 7.0:1 | — |
| Spark Plug | Champion H-8 | NGK BPR5ES |
| Battery | 12 V, 52Ah | 12 V |
| Starter | Electric | Electric |
| Height | 121.0 cm (Steering Wheel Height: 47.6 in.) | — |
| Width | 143.0 cm (56.3 in.) | 90.0 cm (35.4 in.) |
| Wheelbase | 142.0 cm (55.9 in.) | 115.0 cm (45.3 in.) |
| Ground Clearance | 38.0 cm (15.0 in.) | — |
| Fuel Tank Capacity | 14.4 l (3.8 gal) | 7.6 l (2.0 gal) |
| Oil Capacity | 3.3 l (0.9 gal) | 1.6 l (0.4 gal) |
| Transmission Oil Capacity | 5.7 l (1.5 gal) | 0.7 l (0.2 gal) |
| Engine Oil Type | SAE 5W-30, 30 | — |
| Transmission Model | Sundstrand 15 | Eaton 7 |
| Gears | Infinite forward and reverse | Infinite forward and reverse |
| Chassis | 4×2 2WD | 4×2 2WD |
| Max. Travel Speed | 10.0 km/h (Forward: 10.4 MPH (16.7 km/h) Reverse: 6.2 MPH) | 5.5 km/h (Forward: 4.7 MPH (7.6 km/h) Reverse: 3.4 MPH) |
| Brakes | Disc | — |
| Drawbar Category | 0 | — |
| Cabin Type | Open operator station | Open operator station |
| Steering Type | Manual | Manual |
| Front Tires | Ag: 4.00×12Lawn/turf: 20×8-10 | Lawn/turf: 15×6.00-6 |
| Rear Tires | Ag: 8×16Lawn/turf: 29×12.50-15 | Lawn/turf: 22×9.00-12 |
| Total Flow | 8.5 LPM (2.2 GPM) | — |
| Middle PTO Type | — | Independent with electric clutch |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.

