Challenger
MT545B
Farm tractor · 2004–2011 · 143 hp
ChallengerMT545B
The Challenger MT545B is a farm tractor manufactured from 2004 to 2011. It features a Caterpillar 3056C engine, and power steering. The transmission is a partial power shift type with 32 forward and reverse.
Engine
| Engine | Caterpillar 3056C |
|---|---|
| Fuel Type | diesel |
| Cylinders | 6 |
| Cooling | liquid-cooled vertical inline |
| Turbocharger Status | turbocharged diesel |
| Displacement | 365.2 ci (6 L) |
| Bore | 3.94 in (100 mm) |
| Stroke | 5 in (127 mm) |
| Compression Ratio | 17.5 |
| Power Gross | 143 hp (106.6 kW) |
| Power Rated | 143 hp (106.6 kW) |
| Power PTO | 125.7 hp (93.7 kW) |
| Power Drawbar | 100.4 hp (74.9 kW) |
| Air Cleaner | dual paper elements |
| Starter Volts | 12 |
| Oil Capacity | 15.3 qts (14.5 L) |
| Coolant Capacity | 26.92 qts (25.5 L) |
| Manufacturer | Caterpillar |
| Rated | 2,200 RPM |
| Idle | 800-2350 RPM |
| Emissions | Tier II |
Transmission
| Transmission Type | partial power shift |
|---|---|
| Transmission Model | AutoPower IV |
| Gears | 32 forward and reverse |
| Clutch | hydraulic wet disc |
| Oil Capacity | 32 qts (30.3 L) |
| Available Options | 32-speed partial power shift, 24-speed partial power shift, continuously variable transmission |
Hydraulics
| Type | closed center pressure flow compensating (PFC) |
|---|---|
| Pressure | 2,900 psi (200 bar) |
| Total Flow | 29 gpm (109.8 lpm) |
| System Capacity | 18.5 gal (70 L) |
Dimensions
| Length | 168.5 in (427 cm) |
|---|---|
| Width | 81.1 in (205 cm) |
| Height Cab | 112.8 in (286 cm) |
| Wheelbase | 112.1 in (284 cm) |
| Front Tread | 61.2 in (155 cm) |
| Rear Tread | 55.5 in (140 cm) |
| Max Drawbar | 3,821 lbs (1,733 kg) |
Weight
| Shipping | 13,410 lbs (6,082 kg) |
|---|---|
| Operating | 14,835 lbs (6,729 kg) |
Tires & Tracks
| Front Ag | 11.00-16 |
|---|---|
| Rear Ag | 480/70R28, 580/70R38 |
Fuel
| Capacity | 71 gal (268.7 L) |
|---|
Steering
| Type | power |
|---|
Cab
| Cab | standard with heat and A/C. Optional pneumatic cab suspension and automatic climate control |
|---|
Compatible Implements
| Model | Type | Width | Min HP |
|---|---|---|---|
| Land Pride BB4596 | drag_scraper | 95" | 70 hp |
| Land Pride BB4510 | drag_scraper | 120" | 70 hp |
| Land Pride BB4512 | drag_scraper | 144" | 70 hp |
Checked: 3-point hitch category, PTO horsepower. Not checked: PTO speed (540/1000), hydraulic flow, 3-point lift capacity, rear remotes, ballast.
These implements meet this tractor's hitch and PTO-HP requirements — this is not a full compatibility guarantee. Confirm the remaining specs with your dealer before purchasing.