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International Harvester TD-7E

International Harvester TD-7E tractor
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The International Harvester TD-7E is a bulldozer produced from 1974 to 1978. It features a 70 hp (gross) International Harvester D-239 3.9L 4-cylinder liquid-cooled diesel engine with direct injection. The tractor uses a 3-speed full power shift transmission and a crawler drive with spur gear final drives. It has a four-post ROPS for operator safety. The TD-7E has a fuel tank capacity of 30 gallons (113.6 L) and hydraulic system pressure of 2000 psi with a pump flow of 13.5 gpm. Dimensions include a length of 107.4 inches (272 cm) without blade and 145.6 inches (369 cm) with blade, width of 64 inches (162 cm), and height of 100.9 inches (256 cm). The shipping weight is 14,200 lbs (6441 kg). Electrical system includes a 12-volt alternator charging at 22 amps, with two 6-volt batteries rated at 135 AH. Attachments include front-mount blades such as the 90" International G7H and the 101.6" International 7G2. The TD-7E succeeded the TD-7C model.
International HarvesterTD-7Ebulldozertractorspecificationsenginetransmissiondimensionshydraulicsattachments
Power-
Founded-
ModelTD-7E

Technical Specifications

Detailed specifications and technical data for International Harvester TD-7E

Power

Engine (net):65 hp (48.5 kW)
Engine (gross):70 hp (52.2 kW)

Engine

Type:diesel
Model:International Harvester D-239
Cooling:liquid-cooled
Starter:electric
Cylinders:4-cylinder
Fuel tank:30 gal (113.6 L)
Rated RPM:2500
Air cleaner:dry
Bore/Stroke:3.875x5.060 inches (98 x 129 mm)
Compression:16:1
Fuel system:direct injection
Power (net):65 hp (48.5 kW)
Displacement:239 ci (3.9 L)
Oil capacity:11 qts (10.4 L)
Power (gross):70 hp (52.2 kW)
Starter volts:12
Coolant capacity:27.5 qts (26.0 L)

Dimensions

Gauge:52 inches (132 cm)
Width:64 inches (162 cm)
Length:107.4 inches (tractor) (272 cm)
Height (ROPS):100.9 inches (256 cm)
Shipping weight:14200 lbs (6441 kg)
Ground clearance:12 inches (30 cm)
Length with blade:145.6 inches (with blade) (369 cm)

Electrical

Batteries:2
Battery AH:135
Battery volts:6
Charging amps:22
Charging volts:12
Charging system:alternator

Hydraulics

Pressure:2000 psi (137.9 bar)
Pump flow:13.5 gpm (51.1 lpm)

Mechanical

Drive:crawler
Safety:Four-post ROPS
Final drives:spur gear

Production

Type:Bulldozer
Years made:1974 - 1978
Manufacturer:International Harvester

Attachments

Blade:Yes
90" Blade:International G7H, front-mount, 90 inches width (228 cm), 29.9 inches height (75 cm), 39.2 inches lift (99 cm), 13.8 inches cut (35 cm)
101.6" Blade:International 7G2, front-mount, 101.6 inches width (258 cm), 27.3 inches height (69 cm), 49.7 inches lift (126 cm), 14 inches cut (35 cm)

Transmission

Type:full power shift
Gears:3 forward and reverse

Related Models

International Harvester TD-7C

Model:TD-7C