Brand siblingUtilityPerformance profile
Challenger MT645C
The Challenger MT645C is a powerful tractor built for serious farm work. It has a strong diesel engine made by AGCO that can produce 242.3 horsepower. This engine has 6 cylinders and uses a turbocharger to make it even more powerful. The tractor is cooled by liquid to keep it running smoothly in tough conditions. One of the best things about the MT645C is its special transmission. It can change speeds without stopping, which makes it easy to use in different situations. The tractor is big and heavy, weighing 25,795 pounds, which helps it handle tough jobs. It has a three-point hitch at the back that can lift very heavy equipment - up to 26,459.9 pounds! The MT645C also has a smart hydraulic system that adjusts to the work being done. With its size and strength, this Challenger tractor is great for large farms and big fields.
ManufacturerChallengerPower242.3 hpEngine6-cylTransContinuously variable transmission
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Quick specs
- Category
- Utility
- Engine Power Output
- 242hp
- Operating Weight
- 25,795 lb
- Transmission
- Continuously variable transmission
At a glance
How the MT645C compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
242.3 hp · 96th
This model
9
Median 55 hp
177
242.3
This modelUtility tractorsMediann = 5,383
The MT645C ranks at the 96th percentile for engine power among recorded utility tractors.
Overview
About the Challenger MT645C
The Challenger MT645C is a powerful tractor built for serious farm work. It has a strong diesel engine made by AGCO that can produce 242.3 horsepower. This engine has 6 cylinders and uses a turbocharger to make it even more powerful. The tractor is cooled by liquid to keep it running smoothly in tough conditions. One of the best things about the MT645C is its special transmission. It can change speeds without stopping, which makes it easy to use in different situations. The tractor is big and heavy, weighing 25,795 pounds, which helps it handle tough jobs. It has a three-point hitch at the back that can lift very heavy equipment - up to 26,459.9 pounds! The MT645C also has a smart hydraulic system that adjusts to the work being done. With its size and strength, this Challenger tractor is great for large farms and big fields.
Full specifications
Every recorded spec
General
| Manufacturer | Challenger |
|---|---|
| Model | MT645C |
| Category | Utility tractor |
| Operating weight | 25,795lb |
Engine
| Make | AGCO |
|---|---|
| Model | Sisu Diesel (Serial No. T00767) |
| Power | 242.3hp |
| Cylinders | 6 |
| Displacement | 513ci |
| Bore | 4.37in |
| Stroke | 5.71in |
Transmission
| Type | Continuously variable transmission |
|---|
Hydraulics
| Type | Closed center load sensing |
|---|
Dimensions
| Length | 223.2in |
|---|---|
| Height | 133.1in |
| Operating weight | 25,795lb |
Head to head
MT645C vs. Utility median
How the Challenger MT645C compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 242 hp | 55 hp | +341% | 96th |
| Engine Displacement | 513 ci | 183 ci | +180% | 94th |
| Cylinders | 6 | 4 | +50% | 93rd |
| Operating Weight | 25,795 lb | 5,303 lb | +386% | 96th |
| Length | 223 in | 137 in | +63% | 95th |
| Height | 133 in | 94.1 in | +41% | 97th |
| 3-Point Hitch Capacity | 26,460 lb | 3,197 lb | +728% | 99th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 1,083–5,720 models).
Compare to tractors with similar specs
Commonly compared Challenger tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Challenger MT595E | 235.9 hp | 18,465 lb | — | Compare → |
| Challenger MT565E | 197.8 hp | 11,180 lb | — | Compare → |
| Challenger MT535E AutoPower 6 | 185 hp | 17,360 lb | — | Compare → |
| Challenger MT585B | 180.88 hp | 17,860 lb | — | Compare → |
| Challenger MT555B | 171.4 hp | 14,320 lb | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| AGCO DT205B | 242.3 hp | 25,840 lb | 2009–2010 | Compare → |
| AGCO DT200 | 235 hp | 19,700 lb | 2002–2004 | Compare → |
| AGCO DT200A | 235 hp | 19,136 lb | 2005–2008 | Compare → |
| Belarus 7010 | 235 hp | — | — | Compare → |
| CaseIH 9230 | 235 hp | 24,106 lb | — | Compare → |
Explore
Challenger siblings
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FAQ
Common questions
What is the engine power output of the Challenger MT645C?
Rated engine output for the Challenger MT645C is 242.3 hp, delivered by a 6-cylinder engine. The engine displaces 513 ci.
What hitch category is the Challenger MT645C?
The Challenger MT645C uses a Category III hitch with a lift capacity of 26,459.9 lb.
What is the operating weight of the Challenger MT645C?
In working trim, the Challenger MT645C comes in at roughly 25,795 lb.
Which transmission does the Challenger MT645C use?
The Challenger MT645C is equipped with a Continuously variable transmission transmission.
What type of hydraulic system does the Challenger MT645C use?
Hydraulics on the Challenger MT645C are Closed center load sensing.
How do I maintain a Challenger MT645C?
Routine service for the Challenger MT645C covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.