John Deere 50, 520, 530 (50 Series) Tractors Technical Manual

John Deere Service Manual

Table of Contents(Repair Service Manual – SM2010)

Description and Specifications
Preparing the Tractor for Delivery to the Customer
Tractor Tune-Up and Adjustments
Engine
Governor and Fanshaft Assembly
Ignition and Electrical Systems
Cooling System
Engine Lubrication System
Fuel System
Pulley, Clutch, and Pulley Brake
Transmission and Transmission-Driven Power Shaft
Engine-Driven Power Shaft
Differential and Final Drive
Brakes
Wheels and Tires
Steering Mechanism and Front Axle
Powr-Trol

John Deere 50, 520, 530 (50 Series) Tractors Technical Manual

✅ John Deere 50 (1952–1956)

Engine Type: John Deere 2-cylinder gasoline engine, 190.5 cu in (3.1 L), 201 cu in (3.3 L), 201 cu in (same as 520)
Displacement: 190.5 cu in (3.1 L)
Bore/Stroke: 4.25 × 5.25 in
Fuel Type: Gasoline, All-Fuel, or LP-Gas
Rated RPM: 975 RPM
Horsepower (Drawbar): Approx. 28 hp
Horsepower (PTO): Approx. 30 hp

✅ John Deere 520 (1956–1958)

Engine Type: 2-cylinder horizontal gasoline engine
Displacement: 201 cu in (3.3 L)
Bore/Stroke: 4.50 × 5.25 in
Fuel Type: Gasoline or LP-Gas
Rated RPM: 1850 RPM
Horsepower (Drawbar): Approx. 30 hp
Horsepower (PTO): Approx. 33 hp

✅ John Deere 530 (1958–1960)

Engine Type: 2-cylinder horizontal gasoline engine
Displacement: 201 cu in (same as 520)
Bore/Stroke: 4.50 × 5.25 in
Fuel Type: Gasoline, LP-Gas
Rated RPM: 1850 RPM
Horsepower (Drawbar): Approx. 34 hp
Horsepower (PTO): Approx. 36 hp

This Uniunit Service Manual contains maintenance instructions for the Model ”50 Series” Tratractor
ncluded are complete instructions for removal, disassembly, inspection, repair, assembly, and installation of all parts and assemblies.

In addition, the manual contains a brief description of the more complicated systems of the tractor and tells how they operate. Dimensions of many new wearing parts are given as an aid in determining when parts replacement is necessary. Tests and adjustments required to keep the tractor operating at full efficiency are explained in detail. Full instructions on preparing a new tractor for delivery to the customer are included.

Complete instructions for testing, repairing, and adjusting the carburetor, generator, starter, and distributor are given in the “Tractors and Engines (General)” unit of the Service Manual. For additional information concerning the Power-Trol mechanism, consult “Hydraulic Equipment, Tractors (Waterloo)” in the Uniunit Service Manual.

Use the service manual whenever in doubt about correct maintenance procedures. Use it as a textbook the new service department who are unfamiliar with John Deere Tratractors
aily use of the manual as a guide for all service problems will reduce error and costly delay to the minimum and assure you the best in finished service work.