Head to head · Four-Wheel Drive

Challenger MT645D vs John Deere 8330T

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ChallengerModel A

Challenger MT645D

Four-Wheel Drive

power
251 hp
displacement
514 ci
Cylinders
6
Forward gears
Not recorded
Full MT645D specs
Image not recorded
John DeereModel B

John Deere 8330T

Crawler

power
270 hp
displacement
548 ci
Cylinders
6
Forward gears
16
Full 8330T specs
ChallengerChallenger MT645D
vs
John DeereJohn Deere 8330T

How they compare

Headline specs vs. the whole Four-Wheel Drive

n = 98–162

Engine Power

▲ 8330T higher · +19 hp (+8%)
MT645D251 hp
8330T270 hp
Median Four-Wheel Drive Tractor375 hp

MT645D is in the 15th percentile; 8330T is in the 18th · 162 models

Engine Displacement

▲ 8330T higher · +34 ci (+7%)
MT645D514 ci
8330T548 ci
Median Four-Wheel Drive Tractor826 ci

MT645D is in the 10th percentile; 8330T is in the 16th · 152 models

Cylinders

= Effectively tied
MT645D6
8330T6
Median Four-Wheel Drive Tractor6

MT645D is in the 50th percentile; 8330T is in the 50th · 159 models

Operating Weight

▲ 8330T higher · +2,985 lb (+12%)
MT645D25,365 lb
8330T28,350 lb
Median Four-Wheel Drive Tractor37,428 lb

MT645D is in the 22nd percentile; 8330T is in the 26th · 132 models

MT645D (A)8330T (B)Median Four-Wheel Drive Tractor

Full comparison

Every spec, side by side

General Information

SpecChallenger MT645DJohn Deere 8330TDifference
ManufacturerChallengerJohn Deere—
ModelMT645D8330T—
CategoryFour-Wheel DriveCrawler—

Engine

SpecChallenger MT645DJohn Deere 8330TDifference
ManufacturerSisu DieselJohn Deere—
ModelNot recordedPowerTech—
Power Output251hp270hp▲ 8330T+19 hp · +8%
Rated RPM1,950RPM2,100RPM▲ 8330T+150 RPM · +8%
Cylinders66Same
Displacement514ci548ci▲ 8330T+34 ci · +7%
Bore4.4in4.7in▲ 8330T+0.3 in · +7%
Stroke5.7in5.4in▲ MT645D+0.3 in · +6%

Transmission

SpecChallenger MT645DJohn Deere 8330TDifference
TypeCVT (combination of mechanical and hydrostatic sections)Full Power Shift—

Dimensions & Weight

SpecChallenger MT645DJohn Deere 8330TDifference
Length216in207in▲ MT645D+9 in · +4%
WidthNot recorded104in—
Height141in123in▲ MT645D+18 in · +15%
Operating Weight25,365lb28,350lb▲ 8330T+2,985 lb · +12%

Hydraulics

SpecChallenger MT645DJohn Deere 8330TDifference
System TypeClosed Center Load Sensing (CCLS)Closed Center Pressure-Flow Compensated (PFC)—
Steering TypeHydrostatic powerElectro-Hydraulic—

Power Take-off (PTO)

SpecChallenger MT645DJohn Deere 8330TDifference
Speed 11,000rpmNot recorded—

Tires

SpecChallenger MT645DJohn Deere 8330TDifference
Front Tire Size600/65R34Not recorded—
Rear Tire Size710/75R42Not recorded—

Hitch & Towing

SpecChallenger MT645DJohn Deere 8330TDifference
Hitch TypeIIIIII/IIIN—
Hitch CategoryIIICategory 3—
Hitch PositionRearRearSame

Chassis & Drive

SpecChallenger MT645DJohn Deere 8330TDifference
Chassis Type4x4Track—
Drive Type4WDTrack—
Steering TypeHydrostatic powerElectro-Hydraulic—
Brake TypeMultiple wet disc hydraulically operated by two foot pedals that can be locked togetherWet multiple disc hydraulically actuated by foot pedal—

Electrical

SpecChallenger MT645DJohn Deere 8330TDifference
Starter TypeElectricElectricSame

Capacities

SpecChallenger MT645DJohn Deere 8330TDifference
CoolantNot recorded10.6gal—

Operator Station

SpecChallenger MT645DJohn Deere 8330TDifference
TypeCabCabSame

Category context

Both models against the field

Engine Power

median 375 hp
A · 15th percentile (251 hp)B · 18th percentile (270 hp)

Engine Displacement

median 826 ci
A · 10th percentile (514 ci)B · 16th percentile (548 ci)

Cylinders

median 6
A · 50th percentile (6)B · 50th percentile (6)

Operating Weight

median 37,428 lb
A · 22nd percentile (25,365 lb)B · 26th percentile (28,350 lb)

Length

median 275 in
A · 5th percentile (216 in)B · 4th percentile (207 in)
A · MT645DB · 8330TMedian Four-Wheel Drive Tractor
Full spec pageChallenger MT645DFull spec pageJohn Deere 8330T