Head to head · Standard Tread

International Harvester 1256 vs International Harvester TD-18A

Image not recorded
International HarvesterModel A

International Harvester 1256

Utility

power
113 hp
displacement
407 ci
Cylinders
6
Forward gears
16
Full 1256 specs
Image not recorded
International HarvesterModel B

International Harvester TD-18A

Standard Tread

power
Not recorded
displacement
691 ci
Cylinders
6
Forward gears
6
Full TD-18A specs
International HarvesterInternational Harvester 1256
vs
International HarvesterInternational Harvester TD-18A

How they compare

Headline specs vs. the whole Standard Tread

n = 233–367

Engine Displacement

▲ TD-18A higher · +284 ci (+70%)
1256407 ci
TD-18A691 ci
Median Standard Tread Tractor382 ci

1256 is in the 54th percentile; TD-18A is in the 84th · 353 models

Cylinders

= Effectively tied
12566
TD-18A6
Median Standard Tread Tractor4

1256 is in the 93rd percentile; TD-18A is in the 93rd · 367 models

Forward Gears

▲ 1256 higher · +10 (+167%)
125616
TD-18A6
Median Standard Tread Tractor4

1256 is in the 99th percentile; TD-18A is in the 79th · 341 models

Length

▲ TD-18A higher · +2 in (+1%)
1256164 in
TD-18A166 in
Median Standard Tread Tractor137 in

1256 is in the 83rd percentile; TD-18A is in the 85th · 254 models

1256 (A)TD-18A (B)Median Standard Tread Tractor

Full comparison

Every spec, side by side

General Information

SpecInternational Harvester 1256International Harvester TD-18ADifference
ManufacturerInternational HarvesterInternational HarvesterSame
Model1256TD-18A—
CategoryUtility, Standard TreadStandard Tread—

Engine

SpecInternational Harvester 1256International Harvester TD-18ADifference
ManufacturerInternational HarvesterInternational HarvesterSame
ModelDT407D-691—
Power Output113hpNot recorded—
Rated RPM2,400RPM1,350RPM▲ 1256+1,050 RPM · +78%
Cylinders66Same
Displacement407ci691ci▲ TD-18A+284 ci · +70%
Bore4.3in4.8in▲ TD-18A+0.5 in · +12%
Stroke4.6in6.5in▲ TD-18A+1.9 in · +41%

Transmission

SpecInternational Harvester 1256International Harvester TD-18ADifference
TypeGear, Partial Power ShiftGear—

Dimensions & Weight

SpecInternational Harvester 1256International Harvester TD-18ADifference
Length164in166in▲ TD-18A+2 in · +1%
Width91.7in95in▲ TD-18A+3.3 in · +4%
Height85.8in106in▲ TD-18A+20.2 in · +24%
Operating Weight10,405lbNot recorded—

Hydraulics

SpecInternational Harvester 1256International Harvester TD-18ADifference
System TypeOpen CenterNot recorded—
Steering TypePowerMechanical clutch—

Power Take-off (PTO)

SpecInternational Harvester 1256International Harvester TD-18ADifference
TypeIndependentNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecInternational Harvester 1256International Harvester TD-18ADifference
Hitch TypeThree-Point HitchNot recorded—
Hitch CategoryIII/IINot recorded—
Hitch PositionRearNot recorded—

Chassis & Drive

SpecInternational Harvester 1256International Harvester TD-18ADifference
Chassis Type4x2 2WDNot recorded—
Drive Type2WDNot recorded—
Steering TypePowerMechanical clutch—
Brake TypeIndependent hydraulic dry discNot recorded—

Electrical

SpecInternational Harvester 1256International Harvester TD-18ADifference
Battery VoltageNot recorded12V—
Starter TypeElectricGasoline-start—

Capacities

SpecInternational Harvester 1256International Harvester TD-18ADifference
Coolant6gal26gal▲ TD-18A+20 gal · +333%

Operator Station

SpecInternational Harvester 1256International Harvester TD-18ADifference
TypeOpen, ROPS, Cab (optional)Not recorded—

Category context

Both models against the field

Engine Displacement

median 382 ci
A · 54th percentile (407 ci)B · 84th percentile (691 ci)

Cylinders

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

Forward Gears

median 4
A · 99th percentile (16)B · 79th percentile (6)

Length

median 137 in
A · 83rd percentile (164 in)B · 85th percentile (166 in)

Width

median 72.4 in
A · 84th percentile (91.7 in)B · 88th percentile (95 in)
A · 1256B · TD-18AMedian Standard Tread Tractor
Full spec pageInternational Harvester 1256Full spec pageInternational Harvester TD-18A