Head to head · Four-Wheel Drive

CaseIH STX380 vs Challenger 85D

Image not recorded
CaseIHModel A

CaseIH STX380

Four-Wheel Drive

power
380 hp
displacement
786 ci
Cylinders
6
Forward gears
16
Full STX380 specs
Challenger 85D Tractor
ChallengerModel B

Challenger 85D

Articulated

power
370 hp
displacement
729 ci
Cylinders
6
Forward gears
10
Full 85D specs
CaseIHCaseIH STX380
vs
ChallengerChallenger 85D

How they compare

Headline specs vs. the whole Four-Wheel Drive

n = 132–162

Engine Power

▲ STX380 higher · +10 hp (+3%)
STX380380 hp
85D370 hp
Median Four-Wheel Drive Tractor375 hp

STX380 is in the 50th percentile; 85D is in the 47th · 162 models

Engine Displacement

▲ STX380 higher · +57 ci (+8%)
STX380786 ci
85D729 ci
Median Four-Wheel Drive Tractor826 ci

STX380 is in the 33rd percentile; 85D is in the 26th · 152 models

Cylinders

= Effectively tied
STX3806
85D6
Median Four-Wheel Drive Tractor6

STX380 is in the 50th percentile; 85D is in the 50th · 159 models

Forward Gears

▲ STX380 higher · +6 (+60%)
STX38016
85D10
Median Four-Wheel Drive Tractor16

STX380 is in the 50th percentile; 85D is in the 11th · 146 models

STX380 (A)85D (B)Median Four-Wheel Drive Tractor

Full comparison

Every spec, side by side

General Information

SpecCaseIH STX380Challenger 85DDifference
ManufacturerCaseIHChallenger—
ModelSTX38085D—
CategoryFour-Wheel DriveArticulated—

Engine

SpecCaseIH STX380Challenger 85DDifference
ManufacturerIvecoCaterpillar—
ModelNot recorded3196 ATAAC—
Power Output380hp370hp▲ STX380+10 hp · +3%
Rated RPM2,000RPM2,100RPM▲ 85D+100 RPM · +5%
Cylinders66Same
Displacement786ci729ci▲ STX380+57 ci · +8%
Bore5.3in5.1in▲ STX380+0.2 in · +4%
Stroke5.9in5.9inSame

Transmission

SpecCaseIH STX380Challenger 85DDifference
Type16-speed full power shiftFull Power Shift—

Dimensions & Weight

SpecCaseIH STX380Challenger 85DDifference
LengthNot recorded232in—
WidthNot recorded120in—
HeightNot recorded144in—
Operating Weight41,605lb34,234lb▲ STX380+7,371 lb · +22%

Hydraulics

SpecCaseIH STX380Challenger 85DDifference
System TypePressure flow compensatedClosed-Center Pressure-Compensated—
Steering TypeHydrostatic powerHydrostatic Differential Steering—

Hitch & Towing

SpecCaseIH STX380Challenger 85DDifference
Hitch TypeIVNNot recorded—
Hitch PositionRearNot recorded—
Hitch Capacity45,600lbNot recorded—

Chassis & Drive

SpecCaseIH STX380Challenger 85DDifference
Chassis Type4x4 articulated 4WDNot recorded—
Drive Type4WDNot recorded—
Steering TypeHydrostatic powerHydrostatic Differential Steering—

Electrical

SpecCaseIH STX380Challenger 85DDifference
Starter TypeNot recordedElectric—

Capacities

SpecCaseIH STX380Challenger 85DDifference
CoolantNot recorded20gal—

Category context

Both models against the field

Engine Power

median 375 hp
A · 50th percentile (380 hp)B · 47th percentile (370 hp)

Engine Displacement

median 826 ci
A · 33rd percentile (786 ci)B · 26th percentile (729 ci)

Cylinders

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

Forward Gears

median 16
A · 50th percentile (16)B · 11th percentile (10)

Operating Weight

median 37,428 lb
A · 61st percentile (41,605 lb)B · 41st percentile (34,234 lb)
A · STX380B · 85DMedian Four-Wheel Drive Tractor
Full spec pageCaseIH STX380Full spec pageChallenger 85D