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John Deere 450B Crawler Dozer Specs, Parts, and Serial Numbers (1970-1976)

SKU:
John-Deere-450B-Crawler-Dozer
John Deere 450B Crawler Dozer Specifications Chart
Fits Models:
Placeholder
Part # John-Deere-450B-Crawler-Dozer

Description:

Serial Number Information

Year Serial Number Range
1970 117588 – 121123
1971 121124 – 138713
1972 138714 – 142294
1973 142295 – 164046
1974 164047 – 185798
1975 185799 – 207555
1976 207556 and later

Location: The serial number plate is typically located on the left side of the machine, near the front of the track frame or on the bell housing behind the engine.

Key Specifications

Feature Specification
Engine Model John Deere 4-219, 4-cylinder diesel
Horsepower 65 HP
Operating Weight 12,501 lbs (5,670 kg)
Transmission Options Manual Shift (MS) or Power Shift (PS)

Key Features

Proven 4-219 Diesel Engine

The naturally aspirated JD 4-219 delivers 65 HP and strong low-end torque for consistent earthmoving and pushing power.

Choice of Transmission

Operators could select a manual shift transmission for precision or a power shift for ease of operation in tight job site conditions.

Balanced Frame for Jobsite Stability

At over 12,500 lbs, the 450B offers excellent traction and weight distribution for hillside or muddy terrain performance.

Built for Versatility

From clearing fence rows to grading farm paths or prepping foundation pads, the 450B is a flexible tool in both ag and industrial settings.

Common Replacement Parts

Keep your JD 450B running smoothly with essential components available at Broken Tractor:

Engine Components

Head gaskets, fuel injectors, oil filters, thermostats, water pumps

Transmission & Clutch

Power shift clutch packs, gear selectors, torque converters, clutch discs (manual)

Undercarriage

Track chains, idlers, bottom rollers, sprockets, recoil springs

Hydraulic System

Lift cylinders, control valves, hydraulic pumps, seal kits

Blade Assembly

Cutting edges, tilt cylinders, blade pins, trunnion brackets

Maintenance Schedule

Task Recommended Interval
Engine Oil & Filter Every 100 hours
Fuel Filter Replacement Every 200 hours
Transmission Fluid & Filter Every 250 hours
Hydraulic System Check Every 250 hours
Grease Track & Blade Points Daily or before operation
Coolant Flush Annually or every 1,000 hours
Out of Stock

This item is OUT OF STOCK and must be special ordered.
Please call us to check availability.

Can’t Find What You’re Looking For?

Our knowledgeable staff will be happy to help you with any of your tractor, backhoe, dozer, or engine parts needs.

1-800-909-7060 Parts Request Form

Shipping & Return Policy

Do you need your part quickly? You're in luck! We have warehouses all over the country to ensure a quick and easy delivery time. Most of our parts ship from our warehouses the same day you place your order. And many times, orders are delivered in Two to Three days.

Our in house parts are manufactured following strict quality standards in our warehouse in Ohio. Parts such as hydraulic cylinders, pins, bushings, sheet metal, track adjusters, booms and dipper sticks are all ready to ship same day that they are purchased! With less time to wait for your shipment, you will be able to get back to work as quickly as possible.

Did you accidentally purchase the incorrect part? We offer returns and exchanges here at Broken Tractor. To proceed with a return, please call us toll free, and we will provide you with return authorization and a step by step return process for your convenience. We are more than happy to help you exchange your part for the correct one! Give us a call at 1-800-909-7060 and we would be pleased to help you.

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