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John Deere 50

The John Deere 50 is a tractor produced by John Deere. It is equipped with a 190.4 ci 3.1 L engine. Transmission: 6 forward and 1 reverse. Operating weight: 4855 lbs 2202 kg.

Fuel & Capacities
LP gas
Transmission
6 forward and 1 reverse
Operating Weight
4855 lbs*Gasoline tractor with cast 11-38 rear wheels. 2202 kg

Overview

John Deere 50 tractor photo
1952 - 1956 Row-Crop tractor
Production
Manufacturer
John Deere
Row-Crop tractor
Built in Waterloo, Iowa, USA
Total built
32,574 (total)
29,746 (gas)
2,097 (all-fuel)
731 (LP-gas)
Original price was $2,011 in 1954
The John Deere 50 was introduced to replace the model B. These new tractors offered a number of advancements including duplex carburetion, live Powr-Trol hydraulics, and a fully-independent PTO.
John Deere 50 Transmission
6-speed unsynchronized gear
Transmission details ...
John Deere 50 Power
Belt (claimed)
30.97 hp 23.1 kW
Plows
2
Drawbar (tested)
28.11 hp 21.0 kW
Belt (tested)
31.20 hp 23.3 kW
Performance test details ...
Mechanical
Two-wheel drive
Steering
manual
power *Power steering became an option in 1954.
Expanding shoe brakes
Open operator station with padded seat.
Hydraulics
Type
open center
Pressure
930 psi 64.1 bar
Pump flow
8.9 gpm 33.7 lpm
Power Take-off (PTO)
Rear PTO
independent OptOptional
Rear PTO Type
532
Dimensions & Tires
Wheelbase
90 inches 228 cm
Weight
4855 lbs 2202 kg
Front tire
5.50-16
Rear tire
10-38
Full dimensions and tires ...
Belt Pulley
Diameter
9.7 inches 24 cm
Width
7.25 inches 18 cm
RPM
1250
Speed
3,170 ft/min 966.22 meters/min
Electrical
Ground
Positive
Charging system
generator
Batteries
2
Battery volts
6
Battery AH
85
References
50 references literature
The First Numbered Series of John Deere Tractors published in 2004, by Hain Publishing
Highlights of the new John Deere 50 and 60 Tractors published in 1952
Tractors 1918-1976 published by John Deere*
50 & 60 General-Purpose Tractors published in 1952, by John Deere
General-Purpose Tractors published in 1953, by John Deere
Facts About John Deere Tractor Wholesale Prices 1935-1961
*Publication contains known errors.

Engine

Engine options
John Deere 3.1L 2-cyl gasoline
John Deere 3.1L 2-cyl all-fuel
John Deere 3.1L 2-cyl LP gas

Engine Detail — 190.4 ci / 3.1 L Gasoline

Manufacturer
John Deere
Fuel Type
Gasoline
Configuration
2-cylinder, liquid-cooled
Displacement
190.4 ci 3.1 L
Bore/Stroke
4.6875x5.50 inches 119 x 140 mm
Air cleaner
oil bath
Rated RPM
1250
Firing order
1-2
Starter volts
12
Coolant capacity
23 qts*Early, non-pressurized system. 21.8 L
19 qts 18.0 L

Engine Detail — 190.4 ci / 3.1 L

Manufacturer
John Deere
Configuration
2-cylinder, liquid-cooled
all-fuel
Displacement
190.4 ci 3.1 L
Bore/Stroke
4.6875x5.50 inches 119 x 140 mm
Air cleaner
oil bath
Compression
5.35:1
Rated RPM
1250
Firing order
1-2
Starter volts
12

Engine Detail — 190.4 ci / 3.1 L LP Gas

Manufacturer
John Deere
Fuel Type
LP gas
Configuration
2-cylinder, liquid-cooled
Displacement
190.4 ci 3.1 L
Bore/Stroke
4.6875x5.50 inches 119 x 140 mm
Air cleaner
oil bath
Compression
8:1
Rated RPM
1250
Firing order
1-2
Starter volts
12

Transmission

Transmission — 6 forward and 1 reverse unsynchronized gear

Type
unsynchronized gear
Gears
6 forward and 1 reverse
Clutch
dry disc
50 unsynchronized gear speeds

Dimensions

John Deere 50 Tires
Ag front
5.50-16
Ag rear
10-38
Dimensions
Wheelbase
90 inches 228 cm
Length
132.75 inches 337 cm
Width
86.625 inches 220 cm
Height
59.825 inches 151 cm
Operating weight
4855 lbs*Gasoline tractor with cast 11-38 rear wheels. 2202 kg
Ballasted weight
5439 lbs*With fluid in rear tires. 2467 kg
Front tread
7.3/11.2 inches 18/28 cm
Rear tread
56 to 88 inches 142 to 223 cm

Tests

Tractor Tests
NTTL 486: gasoline 6-speed 2WD
NTTL 507: tractor fuel 6-speed 2WD
NTTL 540: LP gas 6-speed 2WD
Nebraska Tractor Test 486
Gasoline 6-speed 2WD October 15 - 22, 1952 Link: Nebraska Tractor Test 486 file
Belt power (max)
30.35 hp 22.6 kW
Belt fuel use (max)
2.8 gal/hour 10.6 l/hour
Drawbar performance
Max power
27.07 hp 20.2 kW
Gear 4 used for power test.
Max pull
3,504 lbs 1589 kg
Gear 1 used for pull test.
Nebraska Tractor Test 507
Tractor fuel 6-speed 2WD September 25 - October 2, 1953 Link: Nebraska Tractor Test 507 file
Belt power (max)
24.83 hp 18.5 kW
Belt fuel use (max)
2.5 gal/hour 9.5 l/hour
Drawbar performance
Max power
22.45 hp 16.7 kW
Gear 3 used for power test.
Max pull
3,583 lbs 1625 kg
Gear 1 used for pull test.
Nebraska Tractor Test 540
LP gas 6-speed 2WD May 9 - 13, 1955 Link: Nebraska Tractor Test 540 file
Belt power (max)
31.20 hp 23.3 kW
Belt fuel use (max)
3.6 gal/hour 13.6 l/hour
Drawbar performance
Max power
28.11 hp 21.0 kW
Gear 4 used for power test.
Max pull
3,466 lbs 1572 kg
Gear 1 used for pull test.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for John Deere 50.

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours

John Deere 50 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for John Deere 50.

Converted Equivalents:

Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS

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