Introduction
Challenger MT345B Utility Tractor
The Challenger MT345B is a utility tractor produced by AGCO between 2006 and 2009. Designed for general agricultural applications, this model balances engine performance with mechanical versatility to suit various farming tasks.
Engine and Power
The tractor is equipped with a 3-cylinder, 3.3-liter turbocharged and aftercooled diesel engine. It generates a gross power output of 91 horsepower (67.9 kW) at a rated speed of 2150 RPM. This liquid-cooled power plant is designed for sustained operation under load.
Transmission and Drivetrain
Two transmission configurations are available: a 12-speed synchronized shuttle and a 12-speed power shuttle. Both offer 12 forward and 12 reverse gears across three ranges. The power shuttle variant features a push-button clutch, allowing for directional changes without manual foot-clutch operation. The tractor is available in either two-wheel or four-wheel drive configurations.
Hydraulics and Hitch
The open-center hydraulic system delivers a total flow of 22.4 gpm (84.8 lpm), with 15.8 gpm (59.8 lpm) dedicated to SCV flow at a pressure of 2755 psi. The rear hitch is a Category I/II type featuring position and draft control, providing a lift capacity of 5500 lbs (2494 kg) at the ends.
Operator Station and Dimensions
The machine features a standard two-post folding ROPS, with an optional air-conditioned cab available for improved operator comfort. Steering is provided by a hydrostatic power system, and braking is managed by hydraulic wet disc brakes. The unit measures 148 inches in length with a wheelbase of 82.7 inches.
Conclusion
The Challenger MT345B serves as a reliable utility tractor suitable for a wide range of agricultural operations, offering sufficient power and hydraulic capacity to manage standard implements effectively.
Production Information of Challenger, MT345B
- Utility tractor
| Manufacturer | Challenger (a part of AGCO) |
|---|
Dimension and Tires Information of Challenger, MT345B
| Wheelbase | 82.7 inches [210 cm] |
|---|---|
| Height (cab) | 102.5 inches [260 cm] |
| Height (ROPS) | 105 inches [266 cm] |
| Length | 148 inches [375 cm] |
| Width | 76 inches [193 cm] |
Engine Specifications of Challenger, MT345B
- Challenger
- Liquid-cooled
- Turbocharged aftercooled diesel
- 3-cylinder
| Power (gross) | 91 hp [67.9 kW] |
|---|---|
| Displacement | 201.4 ci [3.3 L] |
| Rated RPM | 2150 |
| Bore/Stroke | 4.13x5.00 inches [105 x 127 mm] |
| Starter volts | 12 |
Transmission Information of Challenger, MT345B
Transmission variants 1
- Four gears in three ranges with mechanical shuttle.
| Type | Synchronized shuttle |
|---|---|
| Gears | 12 forward and reverse |
Transmission variants 2
- Four gears in three ranges with power shuttle. Push-button clutch allows gear shifting without the use of the foot clutch.
| Type | Power shuttle |
|---|---|
| Gears | 12 forward and reverse |
- 12-speed synchronized shuttle
- 12-speed power shuttle
Mechanical Specs of Challenger, MT345B
- Two- or four-wheel drive
- Two-post folding ROPS. Cab with air-conditioning optional.
- Hydraulic wet disc brakes
| Differential lock | Electro-hydraulic |
|---|---|
| Steering | Hydrostatic power |
Power Information of Challenger, MT345B
| Rear PTO | Independent |
|---|---|
| Rear PTO(optional) | 540/540E |
| Clutch | Electro-hydraulic |
| Rear PTO Type | 540 |
Optional.
Hydraulics Specifications of Challenger, MT345B
| Type | Open center |
|---|---|
| SCV flow | 15.8 gpm [59.8 lpm] |
| Mid valves | 0 or 2 |
| Pressure | 2755 psi [190.0 bar] |
| Total flow | 22.4 gpm [84.8 lpm] |
| Rear valves | 2 or 3 |
Three-Point Hitch of Challenger, MT345B
| Rear Type | I/II |
|---|---|
| Control | Position and draft control |
| Rear lift (at ends) | 5500 lbs [2494 kg] |
Electrical System of Challenger, MT345B
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Battery CCA | 675 |
| Charging system | Alternator |
| Charging amps | 80 |
Where it sits
With 91 HP, the Challenger MT345B sits just above MT335B (78 HP) in Challenger's range. Its power puts it in the 60th percentile of 2000s models in our database (2822 machines).
Frequently asked questions
How much horsepower does the Challenger MT345B have?
The Challenger MT345B delivers 91 HP.
What years was the Challenger MT345B produced?
The Challenger MT345B was produced in 2006-2009.
What engine does the Challenger MT345B have?
The Challenger MT345B is powered by a Turbocharged aftercooled diesel, 3-cylinder engine.
What transmission does the Challenger MT345B use?
The Challenger MT345B uses a Synchronized shuttle transmission.
Is the Challenger MT345B 4WD?
The Challenger MT345B is available in 2WD/4WD.