White industrial tractors

White 4-78 Mighty-Tow

The White 4-78 Mighty-Tow is an industrial tractor produced by White from 1967 to 1976. It was built in Charles City, Iowa, USA. The tractor features a 78 hp Oliver 4.6L 6-cylinder diesel engine or an optional 4.3L gasoline engine. It offers multiple transmission options including 6-speed, 12-speed Hydra-Power, and a 6-speed power shuttle. The tractor has four-wheel drive, manual or optional power steering, and disc brakes. It supports front-end loader and backhoe attachments, making it versatile for industrial tasks. The open operator station has an optional cab. The tractor's hydraulic system provides 2250 psi pressure and 28 gpm pump flow. The rear PTO operates at 540/1000 RPM. Dimensions vary with configurations, with a wheelbase of 71.875 inches and shipping weight ranging from 5575 to 13200 lbs depending on attachments.

Power-

Founded-

Model4-78

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Technical Specifications

Detailed specifications and technical data for White 4-78 Mighty-Tow

Power

Engine power	78 hp (58.2 kW)
Drawbar (claimed)	57 hp (42.5 kW)

Engine

Power	78 hp (58.2 kW)
Starter	electric
Fuel tank	27.5 gal (104.1 L)
Rated RPM	2200
Air cleaner	dry
Bore/Stroke	3.875x4.00 inches (98 x 102 mm)
Compression	16:1
Displacement	283 ci (4.6 L)
Oil capacity	8 qts (7.6 L)
Oliver diesel	6-cylinder, liquid-cooled
Starter volts	12
Engine options	Oliver 4.6L 6-cyl diesel, Oliver 4.3L 6-cyl gasoline
Oliver gasoline	6-cylinder, liquid-cooled
Coolant capacity	20 qts (18.9 L)
Bore/Stroke gasoline	3.75x4.00 inches (95 x 102 mm)
Compression gasoline	8.5:1
Displacement gasoline	265 ci (4.3 L)
Oil capacity gasoline	8 qts (7.6 L)
Starter type gasoline	electric
Coolant capacity gasoline	20 qts (18.9 L)

Dimensions

Width	77 inches (195 cm)
Length	147.25 inches (tractor) (374 cm), 291 inches (loader-backhoe) (739 cm)
Rear tire	16.9x28, 14.00x24, 18.00x26
Wheelbase	71.875 inches (182 cm)
Front tire	7.50x18, 8.25x20, 11.00x16
Rear tread	60.25/71.5 inches (153/181 cm)
Front tread	60 inches (152 cm)
Shipping weight	5575 lbs (tractor) (2528 kg), 13200 lbs (loader-backhoe) (5987 kg)
Height (steering wheel)	79.25 inches (201 cm)

Hydraulics

Pressure	2250 psi (155.1 bar)
Pump flow	28 gpm (106.0 lpm) (Rated flow of loader-backhoe model)

Mechanical

Drive	Four-wheel drive
Brakes	Disc brakes
Steering	manual, power (optional)
Operator station	Open operator station. Cab optional.

Production

Type	Industrial tractor
Built in	Charles City, Iowa, USA
Manufacturer	White
Years produced	1967 - 1976

Attachments

Backhoe	TypeWhite Backhoe Swing Arc180° Digging depth180 inches (457 cm) Loading height111 inches (281 cm) Reach from pivot201.75 inches (512 cm) Transport height121.5 inches (308 cm)
Front-end loader	Dump time2.4s Dump angle43° Raise time4.3s Bucket width76 inches (193 cm), 96 inches (243 cm) (Light-duty materials bucket) Lift capacity4525 lbs (2052 kg) full at pin Breakout force6600 lbs (2993 kg) at pin Reach (dumped)32.75 inches (83 cm) Height (at pin)135 inches (342 cm) Clearance (dumped)108.5 inches (275 cm) Rollback (ground line)32°

Transmission

6-speed	Gears6 forward and 2 reverse Clutch304.8mm dry disc Oil capacity32 qts (30.3 L)
12-speed	Gears12 forward and 4 reverse TransmissionHydra-Power
Transmission options	6-speed, 12-speed, 6-speed power shuttle
6-speed power shuttle	Typepower shuttle Gears6 forward and reverse Clutchwet disc TransmissionReverse-O-Torc