Challenger MT545B
The Challenger MT545B is a powerful 4WD tractor designed for serious farm work. It has a Perkins Diesel engine with 6 cylinders and 116.3 horsepower. This engine is turbocharged and has an air-to-air intercooler, which helps it perform well in tough conditions. The tractor uses a special AGCO CVT transmission that lets it move smoothly at different speeds, both forward and backward. This tractor is big and strong, measuring 168.5 inches long and weighing 14,835 pounds. It has a closed center hydraulic system that can pump 31.7 gallons of fluid per minute, which is great for running farm equipment. The MT545B has a comfortable cab for the driver and uses wet disc brakes that work well in muddy fields. It can pull heavy loads with its Category II hitch, which can lift up to 10,915 pounds. The tractor also has a PTO (power take-off) that provides 152.7 horsepower for running other farm tools.

Key specifications
- Category
- Agricultural
- Engine power
- 116hp
- PTO horsepower
- 152.7
- Operating weight
- 14,835 lb
- Transmission
- AGCO CVT
Category comparison
MT545B compared with its category
vs. Agricultural medianDistribution
Engine Power (hp)
All recorded Agricultural tractors
This model
The MT545B ranks at the 55th percentile for engine power among recorded agricultural tractors.
Overview
About the Challenger MT545B
The Challenger MT545B is a powerful 4WD tractor designed for serious farm work. It has a Perkins Diesel engine with 6 cylinders and 116.3 horsepower. This engine is turbocharged and has an air-to-air intercooler, which helps it perform well in tough conditions. The tractor uses a special AGCO CVT transmission that lets it move smoothly at different speeds, both forward and backward. This tractor is big and strong, measuring 168.5 inches long and weighing 14,835 pounds. It has a closed center hydraulic system that can pump 31.7 gallons of fluid per minute, which is great for running farm equipment. The MT545B has a comfortable cab for the driver and uses wet disc brakes that work well in muddy fields. It can pull heavy loads with its Category II hitch, which can lift up to 10,915 pounds. The tractor also has a PTO (power take-off) that provides 152.7 horsepower for running other farm tools.
Full specifications
Recorded specifications
General
| Manufacturer | Challenger |
|---|---|
| Model | MT545B |
| Category | Agricultural tractor |
| Type | 4x4 (4WD) |
| Operating weight | 14,835lb(6,729 kg) |
Engine
| Make | Perkins Diesel |
|---|---|
| Model | 3056C |
| Power | 116.3hp(86.72 kW) |
| Cylinders | 6 |
| Displacement | 366ci(6 L) |
| Bore | 3.94in(100 mm) |
| Stroke | 5in(127 mm) |
Transmission
| Type | AGCO CVT |
|---|
Chassis & drive
| Chassis | 4x4 (4WD) |
|---|---|
| Drive | 4WD |
| Brakes | Hydraulic Wet Disc |
| Cab | Cab |
Hydraulics
| Type | Closed Center Pressure Flow Compensating (PFC) |
|---|---|
| Pump flow | 31.7gpm(120 L/min) |
Power take-off
| PTO power | 152.7hp(113.9 kW) |
|---|
Dimensions
| Wheelbase | 109.4in(2,779 mm) |
|---|---|
| Length | 168.5in(4,280 mm) |
| Width | 81.1in(2,060 mm) |
| Height | 112.8in(2,865 mm) |
| Operating weight | 14,835lb(6,729 kg) |
Capacities
| Cooling system | 6.73gal(25.48 L) |
|---|
Closest alternatives
MT545B compared with the nearest models by horsepower
The closest agricultural models to the Challenger MT545B by rated horsepower are the Ford 8530 and the CaseIH MXU115. The Ford 8530 matches it on rated power and weighs 3,440 lb less, so it is lighter for its power, which favors PTO and transport work over heavy draft. The CaseIH MXU115 matches it on rated power and weighs 3,000 lb less, carrying 102 lb per horsepower against 128 lb. Of the 3 models, the MT545B has the highest weight per horsepower at 128 lb per hp.
| Spec | Challenger MT545B | Ford 8530 | CaseIH MXU115 |
|---|---|---|---|
| Engine power | 116.3 hp86.7 kW | 116 hp86.5 kW | 116 hp86.5 kW |
| Operating weight | 14,835 lb6,729 kg | 11,395 lb5,169 kg | 11,840 lb5,371 kg |
| Weight per hp | 128 lb/hp78 kg/kW | 98 lb/hp60 kg/kW | 102 lb/hp62 kg/kW |
| Displacement | 366 ci6 L | 401 ci6.57 L | 410.6 ci6.73 L |
| Cylinders | 6 | 6 | 6 |
| Transmission | AGCO CVT | Constant Mesh | Partial powershift |
| Drive | 4WD | - | 2WD |
Calculators
Calculators for the MT545B
PTO power
About 97 to 105 PTO hp
Rated PTO power is 152.7 hp. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 116.3 hp tractor can run
Maximum size is about a 14 ft rotary cutter or a 12 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
148 lb per PTO hp as listed
The calculator gives the target weight and front/rear split for each job.
Units
116.3 hp is 86.7 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
MT545B vs. Agricultural median
Challenger MT545B compared with other Agricultural tractors
| Spec | This model | Agricultural median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 116 hp | 110 hp | +6% | 55th |
| Engine Displacement | 366 ci | 336 ci | +9% | 57th |
| Cylinders | 6 | 5.5 | +9% | 74th |
| Operating Weight | 14,835 lb | 10,914 lb | +36% | 69th |
| Length | 169 in | 173 in | -3% | 47th |
| Width | 81.1 in | 79.5 in | +2% | 53rd |
| Height | 113 in | 111 in | +2% | 57th |
| 3-Point Hitch Capacity | 10,915 lb | 12,126 lb | -10% | 40th |
Medians and percentiles are calculated from the agricultural tractors in the database that have a recorded value for each specification (sample size 93–1,130 models).
Same manufacturer
Other Challenger models
Other manufacturers
Models with similar horsepower
Gallery
Challenger MT545B photos






FAQ
Frequently asked questions
How much horsepower does the Challenger MT545B have?
The Challenger MT545B produces 116.3 hp from its 6-cylinder engine. Engine displacement is 366 ci.
How much PTO horsepower does the Challenger MT545B have?
Measured at the PTO, the Challenger MT545B is rated at 152.7 hp.
How much does the Challenger MT545B weigh?
The Challenger MT545B weighs about 14,835 lb in operating condition.
What transmission is in the Challenger MT545B?
Transmission on the Challenger MT545B is AGCO CVT.
What type of hydraulic system does the Challenger MT545B use?
Hydraulics on the Challenger MT545B are Closed Center Pressure Flow Compensating (PFC), delivering 31.7 gpm of pump flow.
What hitch category is the Challenger MT545B?
The Challenger MT545B uses a Category II hitch with a lift capacity of 10,915 lb.
What maintenance does the Challenger MT545B require?
The Challenger MT545B needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.


