The Troy-Bilt Horse XP (model 13YX79KT011) is a 2WD lawn tractor manufactured by Troy-Bilt (a part of MTD) from 2014 to 2015. The Troy-Bilt Horse XP is equipped with a 597 cc (36.4 cu·in) single-cylinder gasoline engine and a belt-driven hydrostatic transmission with infinite forward and reverse gears.
The Troy-Bilt Horse XP lawn tractor used the Kohler SV601 engine. It is a 0.6 L, 597 cm2, (36.4 cu·in) single-cylinder natural aspirated gasoline engine with 94.0 mm (3.7 in) of the cylinder bore and 86.0 mm (3.39 in) of the piston stroke. The compression ratio rating is 8.5:1. This engine produced 20.3 PS (14.9 KW; 20.0 HP) at 3,600 rpm of output power.
Troy-Bilt Horse XP Specifications
| General Specifications | |
| Model | Troy-Bilt Horse XP |
| Length | 1,790 mm (70.5 in) |
| Width | 1,310 mm (51.6 in) |
| Height | 900 mm (35.4 in) |
| Wheel base | – |
| Weight | 240 kg (529 lbs) |
| Fuel tank capacity | 7.6 liters (2 US gal.; 1.7 Imp. gal) |
| Battery | 12V, CCA 115A |
| Cabin type | Open operator station |
| Engine | |
| Engine model | Kohler SV601 |
| Engine type | Four-stroke, air-cooled |
| Cylinders | 1 |
| Fuel type | Gasoline |
| Displacement | 0.6 L, 597 cm2, (36.4 cu·in) |
| Bore and stroke | 94.0 mm X 86.0 mm (3.7 in X 3.39 in) |
| Compression ratio | 8.5:1 |
| Horsepower | 20.3 PS (14.9 KW; 20.0 HP) at 3,600 rpm |
| Starter | Electric |
| Spark plug | Champion RC12YC |
| Transmission and chassis | |
| Chassis | 4×2 2WD |
| Steering type | Manual |
| Brakes | – |
| Transmission model | – |
| Transmission type | Belt-driven hydrostatic |
| Gears | Infinite forward and reverse |
| Speed | Forward: 8.4 kmh (5.2 mph) Reverse: kmh (0 mph) |
| Tires | |
| Front tires | Lawn/turf: 15x6x6 |
| Rear tires | Lawn/turf: 20x8x8 |
I bought his lawn tractor in 2013. It has worked flawlessly and still does. I don’t know why they don’t still make them. Of course, you must regularly do the maintenance like sharpening the blades, oil change, filters (gas, oil, battery), tire pressures.