Head to head · Sub-Compact

AGCO ST45 vs Lanz Bulldog D9531

AGCO ST45 Tractor
AGCOModel A

AGCO ST45

Sub-Compact

power
44.2 hp
displacement
134 ci
Cylinders
4
Forward gears
16
Full ST45 specs
AGCOAGCO ST45
vs
LanzLanz Bulldog D9531

How they compare

Headline specs vs. the whole Sub-Compact

n = 616–816

Engine Power

▲ ST45 higher · +0.1 hp (<1%)
ST4544.2 hp
Bulldog D953144.1 hp
Median Sub-Compact Tractor26.9 hp

ST45 is in the 81st percentile; Bulldog D9531 is in the 81st · 816 models

Engine Displacement

▲ Bulldog D9531 higher · +495 ci (+369%)
ST45134 ci
Bulldog D9531629 ci
Median Sub-Compact Tractor91.4 ci

ST45 is in the 74th percentile; Bulldog D9531 is in the 99th · 757 models

Cylinders

▲ ST45 higher · +3 (+300%)
ST454
Bulldog D95311
Median Sub-Compact Tractor3

ST45 is in the 90th percentile; Bulldog D9531 is in the 2nd · 802 models

Forward Gears

▲ ST45 higher · +10 (+167%)
ST4516
Bulldog D95316
Median Sub-Compact Tractor9

ST45 is in the 89th percentile; Bulldog D9531 is in the 18th · 616 models

ST45 (A)Bulldog D9531 (B)Median Sub-Compact Tractor

Full comparison

Every spec, side by side

General Information

SpecAGCO ST45Lanz Bulldog D9531Difference
ManufacturerAGCOLanz—
ModelST45Bulldog D9531—
CategorySub-CompactUtility, Standard Tread—

Engine

SpecAGCO ST45Lanz Bulldog D9531Difference
ManufacturerIsekiLanz—
ModelE4CGNot recorded—
Power Output44.2hp44.1hp▲ ST45+0.1 hp · <1%
Rated RPM2,600RPM630RPM▲ ST45+1,970 RPM · +313%
Cylinders41▲ ST45+3 · +300%
Displacement134ci629ci▲ Bulldog D9531+495 ci · +369%
Bore3.4in8.9in▲ Bulldog D9531+5.5 in · +162%
Stroke3.6in10.2in▲ Bulldog D9531+6.6 in · +183%

Transmission

SpecAGCO ST45Lanz Bulldog D9531Difference
TypeMechanical ShuttleGear—

Dimensions & Weight

SpecAGCO ST45Lanz Bulldog D9531Difference
Length137in130in▲ ST45+7 in · +5%
Width69.1inNot recorded—
Height89in88.6in▲ ST45+0.4 in · <1%
Operating Weight4,448lb8,444lb▲ Bulldog D9531+3,996 lb · +90%

Hydraulics

SpecAGCO ST45Lanz Bulldog D9531Difference
System TypeOpen CenterNot recorded—
Steering TypePowerNot recorded—

Power Take-off (PTO)

SpecAGCO ST45Lanz Bulldog D9531Difference
Type540 (rear) / 2000 (mid)Not recorded—
Speed 1540rpmNot recorded—
Speed 22,000rpmNot recorded—

Hitch & Towing

SpecAGCO ST45Lanz Bulldog D9531Difference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecAGCO ST45Lanz Bulldog D9531Difference
Chassis TypeNot recorded4x2 2WD—
Drive TypeNot recorded2WD—
Steering TypePowerNot recorded—

Electrical

SpecAGCO ST45Lanz Bulldog D9531Difference
Starter TypeElectricNot recorded—

Capacities

SpecAGCO ST45Lanz Bulldog D9531Difference
Coolant2.5galNot recorded—

Operator Station

SpecAGCO ST45Lanz Bulldog D9531Difference
TypeROPSNot recorded—

Category context

Both models against the field

Engine Power

median 26.9 hp
A · 81st percentile (44.2 hp)B · 81st percentile (44.1 hp)

Engine Displacement

median 91.4 ci
A · 74th percentile (134 ci)B · 99th percentile (629 ci)

Cylinders

median 3
A · 90th percentile (4)B · 2nd percentile (1)

Forward Gears

median 9
A · 89th percentile (16)B · 18th percentile (6)

Operating Weight

median 2,700 lb
A · 87th percentile (4,448 lb)B · 99th percentile (8,444 lb)
A · ST45B · Bulldog D9531Median Sub-Compact Tractor
Full spec pageAGCO ST45Full spec pageLanz Bulldog D9531