MTD lawn tractors

MTD 525

The MTD 525 is a rear-discharge mower lawn tractor produced from 1975 to 1982 by MTD. It features an 8 hp Briggs & Stratton 318cc 1-cylinder gasoline engine with air-cooled vertical shaft. The tractor has a Peerless 714 belt-driven transmission with 5 forward and 1 reverse gear. It is two-wheel drive with manual steering and an open operator station. The tractor weighs 345 lbs (156 kg) and rides on 11.00x4.00 front tires and 14.50x4.50 rear tires. Electrical system includes a 12-volt battery with negative ground and a trickle charger for the 525 model or generator for the 526 variant. The 525 model has an optional electric start. Attachments include a 26" mid-mount mower deck with a single blade and manual lift.
Power8 hp
Founded26" deck
Model525

Technical Specifications

Detailed specifications and technical data for MTD 525

Engine
Typegasoline
BrandBriggs & Stratton
Coolingair-cooled vertical-shaft
Startermanual recoil, electric Optional
Cylinders1-cylinder
Bore/Stroke3.00x2.75 inches (76 x 70 mm)
Displacement318 cc (19.44 ci)
Power (gross)8 hp (6.0 kW)
Starter volts12
Variants
520recoil start
525electric start
526electric with generator
Dimensions
Weight345 lbs (156 kg)
Rear tire14.50x4.50
Front tire11.00x4.00
Electrical
Groundnegative
Battery volts12
Charging systemtrickle charger (525), generator (526)
Mechanical
DriveTwo-wheel drive
SteeringManual steering
Operator stationOpen operator station
Production
TypeRear-discharge mower
Years made1975 - 1982
ManufacturerMTD
Attachments
Mower deck26" mid-mount mower deck
Transmission
Typebelt-driven gear
Gears5 forward and 1 reverse
TransmissionPeerless 714
Serial Numbers
1975135-520A (recoil model code)
1976136-520A (recoil model code)
1976 electric136-525A (electric model code)
Attachments details
Typemid-mount MTD
Blades1-blade with manual lift
Cutting width26 inches (66 cm)