The Challenger MT743 is a 2WD agricultural crawler from the MT700 series. This tractor has been manufactured by Challenger (a part of AGCO) in Jackson, Minnesota, USA since 2018. The Challenger MT743 is equipped with a 9.8 L (598.0 cu·in) seven-cylinder diesel engine and a infinitely-variable transmission (IVT) transmission with infinite forward and reverse gears.
The Challenger MT743 agricultural crawler used the AGCO Power 9.8 L engine. It is a 9.8 L, 9,799 cm2, (598.0 cu·in) seven-cylinder natural aspirated diesel engine with 111.0 mm (4.37 in) of the cylinder bore and 145.0 mm (5.71 in) of the piston stroke. This engine produced 431.0 PS (317.0 kW; 425.0 HP) at 1,700 rpm of output power.
The Challenger MT743 is equipped with power steering, cab (standard), and 681.3 liters (180 US gal.; 149.9 Imp. gal) fuel tank.
Challenger MT743 Specifications
| General Specifications | |
| Model | Challenger MT743 |
| Length | – |
| Width | – |
| Height | – |
| Wheel base | – |
| Weight | 15,170 kg (33,444 lbs) |
| Fuel tank capacity |
Standard: 681.3 liters (180 US gal.; 150 Imp. gal) Optional: 813.8 liters (215 US gal.; 179 Imp. gal) Optional: 972.7 liters (257 US gal.; 214 Imp. gal) |
| Exhaust fluid (DEF) | 79.5 liters (21 US gal.; 17.5 Imp. gal) |
| Battery | 12V |
| Cabin type | Cab (standard) |
| Engine | |
| Engine model | AGCO Power 9.8 L |
| Engine type | Four-stroke, liquid-cooled, inline |
| Cylinders | 7 |
| Fuel type | Diesel |
| Displacement | 9.8 L, 9,799 cm2, (598.0 cu·in) |
| Bore and stroke | 111.0 mm X 145.0 mm (4.37 in X 5.71 in) |
| Horsepower | 431.0 PS (317.0 kW; 425.0 HP) at 1,700 rpm |
| Starter | Electric |
| Transmission and chassis | |
| Chassis | Crawler |
| Steering type | Power |
| Brakes | – |
| Transmission model | Accu-VT Stepless / TA 300T |
| Transmission type | Infinitely-variable transmission (IVT) |
| Gears | Infinite forward and reverse |
| Speed | Forward: 40.0 kmh (24.9 mph) Reverse: 14.0 kmh (8.7 mph) |
| Tracks | |
| General ag tracks | 16, 18, 20, 25, 30 & 34 in |
| Extreme ag tracks | 25, 30 & 34 in |
| Three-Point Hitch | |
| Category | III/IVN |
| Control type | – |
| Lift capacity | 8,618 kg (19,000 lbs) |
| Hydraulic system | |
| Hydraulic type | Load sensing |
| Valves | 4 to 6 |
| Pump flow |
58.0 gpm (219.6 lpm) 116.0 gpm (439.1 lpm) |
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