ChallengerFarm Tier
Challenger MT645C
Challenger MT645C delivers 240 HP. Mainstream median tier in Farm class. Standard power-to-weight ratio

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Category Benchmark Standing & Percentiles
Relative performance compared against all 9,935 models in the Farm equipment category.
Engine Horsepower Rating
240 HP59th Percentile
MinMedian: 68.6 HPClass Max: 960 HP
Power-to-Weight Traction DensityN/A
Standard power-to-weight ratio
Operating Mass: N/A
Hydraulic Pump Flow Capacity46.2 gpm
Exceeds the 16.5 gpm category median for modern hydraulic implements.
Category Median: 16.5 gpm
Top Rivals to Compare Head-to-Head
Frequently cross-shopped tractors with comparable power and application scope.
Zetor
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Power: 180 HP•Weight: N/A
Fendt
Launch Battle vs 916 Vario →Fendt 916 Vario
Power: 180 HP•Weight: 19,290 lbs
Fiat
Launch Battle vs 180-90 →Fiat 180-90
Power: 180 HP•Weight: 13,955 lbs
Complete Machine Specifications
Engine & Mechanics
Rated Horsepower240 HP
ModelAGCO SISU POWER 84CTA
Typeturbocharged intercooled diesel
Cylinders6
Displacement8.4 L
Drivetrain & Transmission
Drive Type4WD
Transmissioncontinuously variable transmission
Forward GearsN/A
Reverse GearsN/A
Hydraulics & Dimensions
Pump Flow (Standard)46.2 gpm
Base Shipping WeightN/A
Wheelbase122.2 in
Nebraska TestStandard Factory