John Deere LA

The John Deere LA is a tractor produced by John Deere. It is equipped with a 77 ci 1.3 L engine. The rated power output is 14.34 hp 10.7 kW. Transmission: 3 forward and 1 reverse. Operating weight: 2200 lbs 997 kg.

Overview

	1941 - 1946 Two-Cylinder Letter SeriesUtility tractor
1941 - 1946
Two-Cylinder Letter Series
Utility tractor

Production
Manufacturer	John Deere
Utility tractor
Built in Moline, Illinois, USA
The John Deere model LA was a larger version of the model L. The LA featured a larger engine with increased RPMs.

John Deere LA Engine
John Deere 1.3L 2-cyl gasoline
Fuel tank	8 gal 30.3 L
Engine details ...

John Deere LA Transmission
3-speed unsynchronized gear
Transmission details ...

John Deere LA Power
Drawbar (claimed)	10.46 hp 7.8 kW
Belt (claimed)	12.93 hp 9.6 kW
Plows	1 (16-inch)
Drawbar (tested)	13.10 hp 9.8 kW
Belt (tested)	14.34 hp 10.7 kW
Performance test details ...

Mechanical
Two-wheel drive
Manual steering
Open operator station with steel pan seat.

Power Take-off (PTO)
Rear PTO	transmission ((Optional)
Rear PTO Type	540 (1.375)

Dimensions & Tires
Wheelbase	61 inches 154 cm
Weight	2200 lbs 997 kg
Front tire	5.00-15
Rear tire	8.00-24
Full dimensions and tires ...

Belt Pulley
Diameter	6.75 inches 17 cm
Width	4.5 inches 11 cm
RPM	1770
Speed	3115 ft/min 949.45 meters/min

Electrical
Ground	positive
Battery volts	6

References
The John Deere Styled "Letter" Series by J.R. Hobbs
Tractors 1918-1976 published by John Deere*
General Catalog published in 1940, by John Deere
Models "L" and "LA" General-Purpose Tractors published in 1941, by John Deere
The New, More Powerful Model "LA" published in 1940, by John Deere
Instructions for Model LA Tractor (DIR-207)
*Publication contains known errors.

Engine

Engine Detail — 77 ci / 1.3 L Gasoline

Manufacturer	John Deere
Fuel Type	Gasoline
Configuration	2-cylinder, liquid-cooled
Displacement	77 ci 1.3 L
Bore/Stroke	3.50x4.00 inches 89 x 102 mm
Air cleaner	oil bath
Rated RPM	1850
Firing order	1-2
Starter volts	6
Oil capacity	3 qts 2.8 L
Coolant capacity	10 qts 9.5 L

Transmission

Transmission — 3 forward and 1 reverse unsynchronized gear

Type	unsynchronized gear
Gears	3 forward and 1 reverse
Clutch	mechanical dry disc

Dimensions

John Deere LA Tires
Ag front	5.00-15
Ag rear	8.00-24

Dimensions
Wheelbase	61 inches 154 cm
Length	93 inches 236 cm
Width	47 inches 119 cm
Height	60 inches 152 cm
Shipping weight	2200 lbs 997 kg
Ground clearance	20.5 inches 52 cm
Rear tread	38/43/48/54 inches 96/109/121/137 cm

Tests

Nebraska Tractor Test 373
Gasoline 3-speed 2WD June 20 - 28, 1941 Link: Nebraska Tractor Test 373 file
Belt power (max)	14.34 hp 10.7 kW
Drawbar performance
Max power	13.10 hp 9.8 kW
Max pull	1,936 lbs 878 kg
Gear 1 used for pull test.