Minneapolis-Moline

Minneapolis-Moline ZA

The Minneapolis-Moline ZA is a row-crop tractor produced from 1949 to 1953 by Minneapolis-Moline in Minneapolis, Minnesota, USA. It features a 3.4L 4-cylinder gasoline engine producing an estimated 40.2 hp, a 5-speed unsynchronized gear transmission, and mechanical drum brakes. The tractor has several front-end variants including tricycle, standard, single wheel, adjustable wide, and industrial. It is designed for two-wheel drive with bull gear final drives and manual steering. The ZA is capable of pulling 2-3 14-inch plows and has a rear PTO rated at 540 rpm. Dimensions vary by variant, with wheelbases from 82 to 90.125 inches and weights ranging from 3750 to 4290 pounds. The tractor uses 6-volt electrical system with positive ground.

Power40 hp[B]

Founded1949 - 1953

ModelZA

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Technical Specifications

Detailed specifications and technical data for Minneapolis-Moline ZA

Power

Plows	2-3 (14-inch)
Belt (tested)	36.20 hp (27.0 kW)
Drawbar (tested)	32.07 hp (23.9 kW)

Engine

Cooling	liquid-cooled
Cylinders	4-cylinder
Fuel tank	19 gal (71.9 L)
Fuel type	gasoline
Rated RPM	1500
Air cleaner	oil bath
Bore/Stroke	3.625x5.00 inches (92 x 127 mm)
Displacement	206 ci (3.4 L)
Engine model	Minneapolis-Moline 206B-4
Firing order	1-3-4-2
Oil capacity	7 qts (6.6 L)
Starter volts	6
Coolant capacity	15 qts (14.2 L)
Compression ratio	6.19:1

Variants

ZAE	adjustable wide front
ZAN	single front wheel
ZAS	standard front
ZAU	tricycle front
ZASI	industrial

Electrical

Ground	positive
Battery volts	6

Mechanical

Drive	Two-wheel drive
Brakes	Mechanical drum brakes
Steering	Manual steering
Final drives	bull gear
Operator station	Open operator station

Production

Type	Row-Crop tractor
Built in	Minneapolis, Minnesota, USA
Years produced	1949 - 1953

Belt Pulley

RPM	786
Speed	3,100 ft/min (944.88 meters/min)
Width	7 inches (17 cm)
Diameter	15.125 inches (38 cm)

Transmission

Type	unsynchronized gear
Gears	5 forward and 1 reverse
Clutch	dry disc

Serial Numbers

1949	0064900001 (ZAU), 0094900001 (ZAE), 0084900001 (ZAN)
1950	0065000001 (ZAU), 00600001 (ZAU), 0095000001 (ZAE), 00900001 (ZAE), 0085000001 (ZAN), 00800001 (ZAN)
1951	00605436 (ZAU), 00900374 (ZAE), 00800239 (ZAN)
1952	00609940 (ZAU), 00900577 (ZAE), 00800443 (ZAN)
1953	00900998 (ZAE), 00800619 (ZAN)
Final	00614658 (ZAU), 00901122 (ZAE), 00800620 (ZAN)

Dimensions & Tires

Weight	3750 to 4290 pounds
Operating	4,290 lbs (ZAU) (1945 kg)
Rear tire	11x38
Front tire	5.50x16
Rear tread	54 to 88 inches (137 to 223 cm)
ZAE Length	139.25 inches (353 cm)
ZAU Length	134.875 inches (342 cm)
ZAE Shipping	4,100 lbs (1859 kg)
ZAN Ag front	7.5x10
ZAU Shipping	3,750 lbs (1701 kg)
ZAE Wheelbase	90.125 inches (228 cm)
ZAU Wheelbase	82 inches (208 cm)
ZAE Front tread	56 to 88 inches (142 to 223 cm)
ZAU Front tread	7.75/12.875 inches (19/32 cm)
Ground clearance	25 inches (63 cm)
Height (steering wheel)	78 inches (198 cm)