Head to head · Sub-Compact

AGCO ST40 vs Allis Chalmers D15 Series I

Image not recorded
AGCOModel A

AGCO ST40

Sub-Compact

power
40.1 hp
displacement
91.4 ci
Cylinders
3
Forward gears
16
Full ST40 specs
Allis Chalmers D15 Series I Tractor
Allis ChalmersModel B

Allis Chalmers D15 Series I

Row Crop

power
40 hp
displacement
149 ci
Cylinders
4
Forward gears
8
Full D15 Series I specs
AGCOAGCO ST40
vs
Allis ChalmersAllis Chalmers D15 Series I

How they compare

Headline specs vs. the whole Sub-Compact

n = 584–816

Engine Power

▲ ST40 higher · +0.1 hp (<1%)
ST4040.1 hp
D15 Series I40 hp
Median Sub-Compact Tractor26.9 hp

ST40 is in the 77th percentile; D15 Series I is in the 76th · 816 models

Engine Displacement

▲ D15 Series I higher · +57.6 ci (+63%)
ST4091.4 ci
D15 Series I149 ci
Median Sub-Compact Tractor91.4 ci

ST40 is in the 50th percentile; D15 Series I is in the 83rd · 757 models

Cylinders

▲ D15 Series I higher · +1 (+33%)
ST403
D15 Series I4
Median Sub-Compact Tractor3

ST40 is in the 50th percentile; D15 Series I is in the 90th · 802 models

Forward Gears

▲ ST40 higher · +8 (+100%)
ST4016
D15 Series I8
Median Sub-Compact Tractor9

ST40 is in the 89th percentile; D15 Series I is in the 40th · 616 models

ST40 (A)D15 Series I (B)Median Sub-Compact Tractor

Full comparison

Every spec, side by side

General Information

SpecAGCO ST40Allis Chalmers D15 Series IDifference
ManufacturerAGCOAllis Chalmers—
ModelST40D15 Series I—
CategorySub-CompactRow Crop—

Engine

SpecAGCO ST40Allis Chalmers D15 Series IDifference
ManufacturerIsekiAllis Chalmers—
ModelE3CDAllis Chalmers—
Power Output40.1hp40hp▲ ST40+0.1 hp · <1%
Rated RPM2,600RPM2,000RPM▲ ST40+600 RPM · +30%
Cylinders34▲ D15 Series I+1 · +33%
Displacement91.4ci149ci▲ D15 Series I+57.6 ci · +63%
Bore3.4in3.5in▲ D15 Series I+0.1 in · +3%
Stroke3.3in3.9in▲ D15 Series I+0.6 in · +18%

Transmission

SpecAGCO ST40Allis Chalmers D15 Series IDifference
TypeMultiple options available (synchronized shuttle, power shuttle, hydrostatic)Partial Power Shift—

Dimensions & Weight

SpecAGCO ST40Allis Chalmers D15 Series IDifference
Length122in130in▲ D15 Series I+8 in · +7%
Width60.2in66.9in▲ D15 Series I+6.7 in · +11%
Height94.4in79.9in▲ ST40+14.5 in · +18%
Operating Weight3,323lb3,990lb▲ D15 Series I+667 lb · +20%

Hydraulics

SpecAGCO ST40Allis Chalmers D15 Series IDifference
System TypeOpen CenterNot recorded—
Steering TypePowerManual—

Power Take-off (PTO)

SpecAGCO ST40Allis Chalmers D15 Series IDifference
TypeRear PTO: 540, Mid PTO: SAE 15 1.0Live—
Speed 1540rpm540rpmSame

Tires

SpecAGCO ST40Allis Chalmers D15 Series IDifference
Rear Tire Size13.6-24Not recorded—

Hitch & Towing

SpecAGCO ST40Allis Chalmers D15 Series IDifference
Hitch TypeRearSnap-Coupler—
Hitch CategoryIII/I—
Hitch PositionRearRearSame

Chassis & Drive

SpecAGCO ST40Allis Chalmers D15 Series IDifference
Chassis Type4WD4x2 2WD—
Drive Type4WD2WD—
Steering TypePowerManual—
Brake TypeNot recordedExpanding shoe—

Electrical

SpecAGCO ST40Allis Chalmers D15 Series IDifference
Starter TypeElectricElectricSame

Capacities

SpecAGCO ST40Allis Chalmers D15 Series IDifference
Coolant1.7gal2.8gal▲ D15 Series I+1.1 gal · +65%

Operator Station

SpecAGCO ST40Allis Chalmers D15 Series IDifference
TypeROPSOpen—

Category context

Both models against the field

Engine Power

median 26.9 hp
A · 77th percentile (40.1 hp)B · 76th percentile (40 hp)

Engine Displacement

median 91.4 ci
A · 50th percentile (91.4 ci)B · 83rd percentile (149 ci)

Cylinders

median 3
A · 50th percentile (3)B · 90th percentile (4)

Forward Gears

median 9
A · 89th percentile (16)B · 40th percentile (8)

Operating Weight

median 2,700 lb
A · 63rd percentile (3,323 lb)B · 80th percentile (3,990 lb)
A · ST40B · D15 Series IMedian Sub-Compact Tractor
Full spec pageAGCO ST40Full spec pageAllis Chalmers D15 Series I