Head to head · Utility

Big Bud HN250 vs Challenger MT645D

Big Bud HN250 Tractor
Big BudModel A

Big Bud HN250

Utility

power
250 hp
displacement
855 ci
Cylinders
6
Forward gears
12
Full HN250 specs
Image not recorded
ChallengerModel B

Challenger MT645D

Four-Wheel Drive

power
251 hp
displacement
514 ci
Cylinders
6
Forward gears
Not recorded
Full MT645D specs
Big BudBig Bud HN250
vs
ChallengerChallenger MT645D

How they compare

Headline specs vs. the whole Utility

n = 5,107–5,720

Engine Power

▲ MT645D higher · +1 hp (<1%)
HN250250 hp
MT645D251 hp
Median Utility Tractor55 hp

HN250 is in the 96th percentile; MT645D is in the 96th · 5,383 models

Engine Displacement

▲ HN250 higher · +341 ci (+66%)
HN250855 ci
MT645D514 ci
Median Utility Tractor183 ci

HN250 is in the 98th percentile; MT645D is in the 94th · 5,580 models

Cylinders

= Effectively tied
HN2506
MT645D6
Median Utility Tractor4

HN250 is in the 93rd percentile; MT645D is in the 93rd · 5,720 models

Operating Weight

▲ HN250 higher · +8,635 lb (+34%)
HN25034,000 lb
MT645D25,365 lb
Median Utility Tractor5,303 lb

HN250 is in the 98th percentile; MT645D is in the 96th · 5,107 models

HN250 (A)MT645D (B)Median Utility Tractor

Full comparison

Every spec, side by side

General Information

SpecBig Bud HN250Challenger MT645DDifference
ManufacturerBig BudChallenger—
ModelHN250MT645D—
CategoryUtilityFour-Wheel Drive—

Engine

SpecBig Bud HN250Challenger MT645DDifference
ManufacturerCumminsSisu Diesel—
ModelNT855Not recorded—
Power Output250hp251hp▲ MT645D+1 hp · <1%
Rated RPM2,100RPM1,950RPM▲ HN250+150 RPM · +8%
Cylinders66Same
Displacement855ci514ci▲ HN250+341 ci · +66%
Bore5.5in4.4in▲ HN250+1.1 in · +25%
Stroke6in5.7in▲ HN250+0.3 in · +5%

Transmission

SpecBig Bud HN250Challenger MT645DDifference
TypeGearCVT (combination of mechanical and hydrostatic sections)—

Dimensions & Weight

SpecBig Bud HN250Challenger MT645DDifference
LengthNot recorded216in—
HeightNot recorded141in—
Operating Weight34,000lb25,365lb▲ HN250+8,635 lb · +34%

Hydraulics

SpecBig Bud HN250Challenger MT645DDifference
System TypeNot recordedClosed Center Load Sensing (CCLS)—
Steering TypeHydrostatic PowerHydrostatic powerSame

Power Take-off (PTO)

SpecBig Bud HN250Challenger MT645DDifference
Speed 1Not recorded1,000rpm—

Tires

SpecBig Bud HN250Challenger MT645DDifference
Front Tire SizeNot recorded600/65R34—
Rear Tire SizeNot recorded710/75R42—

Hitch & Towing

SpecBig Bud HN250Challenger MT645DDifference
Hitch TypeNot recordedIII—
Hitch CategoryNot recordedIII—
Hitch PositionNot recordedRear—

Chassis & Drive

SpecBig Bud HN250Challenger MT645DDifference
Chassis Type4x4 articulated 4WD4x4—
Drive TypeFour-wheel Drive (4WD)4WD—
Steering TypeHydrostatic PowerHydrostatic powerSame
Brake TypeNot recordedMultiple wet disc hydraulically operated by two foot pedals that can be locked together—

Electrical

SpecBig Bud HN250Challenger MT645DDifference
Starter TypeElectricElectricSame

Operator Station

SpecBig Bud HN250Challenger MT645DDifference
TypeNot recordedCab—

Category context

Both models against the field

Engine Power

median 55 hp
A · 96th percentile (250 hp)B · 96th percentile (251 hp)

Engine Displacement

median 183 ci
A · 98th percentile (855 ci)B · 94th percentile (514 ci)

Cylinders

median 4
A · 93rd percentile (6)B · 93rd percentile (6)

Operating Weight

median 5,303 lb
A · 98th percentile (34,000 lb)B · 96th percentile (25,365 lb)
A · HN250B · MT645DMedian Utility Tractor
Full spec pageBig Bud HN250Full spec pageChallenger MT645D