Tractorpedia.com

White 2-78 Mighty-Tow

White 2-78 Mighty-Tow tractor
View Images
The White 2-78 Mighty-Tow is an industrial tractor produced by White from 1967 to 1976 in Charles City, Iowa, USA. It features a 78 hp engine with options for Oliver 4.6L 6-cylinder diesel or 4.3L 6-cylinder gasoline engines. The tractor offers multiple transmission options including 6-speed, 12-speed Hydra-Power, and 6-speed power shuttle. It is a two-wheel drive tractor with manual or optional power steering and disc brakes. The open operator station has an optional cab. Hydraulics provide 2250 psi pressure and 28 gpm pump flow on loader-backhoe models. The rear PTO operates at 540/1000 RPM. Dimensions vary with configurations, with a wheelbase of 89.5 inches and shipping weight ranging from 5475 to 11950 pounds. Attachments include front-end loaders and backhoes with detailed specifications for lift, breakout force, digging depth, and reach.
White 2-78Mighty-Towindustrial tractorOliver engine78 hp6-speed transmission12-speed Hydra-Powerbackhoefront-end loaderspecifications
Power-
Founded-
Model2-78

Technical Specifications

Detailed specifications and technical data for White 2-78 Mighty-Tow

Power

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

Engine

Fuel tank:27.5 gal (104.1 L)
Oliver diesel:6-cylinder, liquid-cooled, displacement 283 ci (4.6 L), bore/stroke 3.875x4.00 inches (98 x 102 mm), power 78 hp (58.2 kW), air cleaner dry, compression 16:1, rated RPM 2200, starter electric 12 volts, oil capacity 8 qts (7.6 L), coolant capacity 20 qts (18.9 L)
Engine options:Oliver 4.6L 6-cyl diesel, Oliver 4.3L 6-cyl gasoline
Oliver gasoline:6-cylinder, liquid-cooled, displacement 265 ci (4.3 L), bore/stroke 3.75x4.00 inches (95 x 102 mm), air cleaner dry, compression 8.5:1, rated RPM 2200, starter electric, oil capacity 8 qts (7.6 L), coolant capacity 20 qts (18.9 L)

Variants

2-78:2WD industrial
4-78:4WD industrial
2-78-15LL:2WD backhoe
4-78-15LL:4WD backhoe
Oliver 1650:farm tractor

Hydraulics

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

Mechanical

Drive:Two-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

Type:White Backhoe
Swing Arc:180°
Digging depth:180 inches (457 cm)
Loading height:111 inches (281 cm)
Reach from pivot:201.75 inches (512 cm)
Transport height:121.5 inches (308 cm)

Front-end loader

Dump time:2.4s
Dump angle:43°
Raise time:4.3s
Bucket width:76 inches (193 cm), 96 inches (243 cm) (Light-duty materials bucket)
Lift capacity:4525 lbs (2052 kg) full at pin
Breakout force:6600 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:6 forward and 2 reverse gears, 304.8mm dry disc clutch, oil capacity 32 qts (30.3 L)
12-speed Hydra-Power:12 forward and 4 reverse gears
Transmission options:6-speed, 12-speed, 6-speed power shuttle
6-speed Reverse-O-Torc power shuttle:6 forward and reverse gears, wet disc clutch

Dimensions & Tires

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:89.5 inches (227 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:5475 lbs (tractor) (2483 kg), 11950 lbs (loader-backhoe) (5420 kg)
Height (steering wheel):79.25 inches (201 cm)

Power Take-off (PTO)

Engine RPM:543@2200, 1008@2200
Rear PTO Type:540/1000 (1.375)