Description
JCB Workmax 800D Service Manual for utility vehicles with serial numbers 1629000 to 1632999. This original JCB technical publication provides service, maintenance, safety and specification information for the diesel-powered Workmax 800D.
Published for technicians, workshop personnel, fleet operators and experienced owners, the manual is arranged into dedicated sections covering the body and framework, electrical equipment, controls, transmission, brakes, steering, engine and suspension. It also provides essential machine identification information to help confirm applicability before servicing or ordering components.
The Workmax 800D covered by this publication is a loadbay-equipped utility vehicle driven by a diesel engine through a continuously variable transmission. It has driven axles with differentials, a rear differential lock and hydraulically operated disc brakes on all four wheels.
GENERAL INFORMATION AND MACHINE IDENTIFICATION
The introductory section explains the machine layout, publication conventions and identification details. Subjects shown include:
- Workmax 800D machine description and intended use
- Machine model and serial-number applicability
- Component locations around the utility vehicle
- Machine identification plate and Product Identification Number
- Engine model and serial-number identification
- ROPS identification and safety information
- Left-hand and right-hand orientation conventions
- Cab and canopy references
- Fastener torque information
- Service tools and workshop consumables
CARE, SAFETY AND MAINTENANCE
The JCB Workmax 800D Service Manual includes separate care and safety and maintenance sections. These provide the safety information and servicing guidance required when operating, inspecting and maintaining the machine. The publication should be used with particular attention to all general and procedure-specific warnings.
- General machine care and safety guidance
- Safe operation and maintenance information
- Routine maintenance reference material
- Specification data used during servicing
- Approved sealing and retaining compounds
- Zinc-plated and Dacromet fastener torque information
BODY, FRAMEWORK AND CONTROLS
Dedicated sections cover the Workmax body and framework together with its operating controls. The manual identifies principal machine features including the loadbay, front access panel, Roll Over Protection Structure and the location of major components beneath the loadbay.
- Body and framework section
- Loadbay-equipped vehicle layout
- ROPS information and identification
- Front access panel location
- Machine controls section
- Component-location illustrations
ELECTRICAL SYSTEM
A separate electrics section supports service work on the vehicle’s electrical equipment. The introductory material identifies the battery beneath the loadbay and provides the machine and component identification information needed before technical work begins.
- Dedicated electrical service section
- Battery location and identification
- Machine build identification through the PIN
- Model and serial-number reference information
TRANSMISSION AND DRIVE SYSTEM
The Workmax 800D uses a continuously variable transmission to transfer diesel-engine power through its drive system. Its driven axles incorporate differentials, with a differential lock fitted to the rear differential. The manual contains a dedicated transmission section for this equipment.
- Continuously variable transmission
- Gearbox location beneath the loadbay
- Driven axle arrangement
- Front and rear differentials
- Rear differential lock
- Transmission service information
BRAKES, STEERING AND SUSPENSION
Individual manual sections are provided for the braking, steering and suspension systems. The Workmax 800D uses hydraulically operated brakes with discs and callipers fitted to all four wheels.
- Hydraulically operated braking system
- Four-wheel disc brakes
- Brake callipers
- Steering system section
- Suspension system section
- Relevant safety and maintenance information
ENGINE
The engine section covers the diesel power unit fitted beneath the loadbay. The identification material shows where the engine plate and stamped model and serial numbers are located, helping technicians establish the correct engine identity before servicing.
- Diesel engine service section
- Engine location beneath the loadbay
- Engine identification plate
- Stamped engine model and serial numbers
- Machine and engine serial-number referencing
JCB WORKMAX 800D SERVICE MANUAL MODEL COVERAGE
Model: JCB Workmax 800D utility vehicle
Serial numbers: 1629000 to 1632999
Applicability should be checked against the machine identification plate and serial number before the manual is used.
MARKET VERSION
The extracted publication information does not specify a single market version. The manual notes that optional equipment may not be available in every territory.
MANUAL DETAILS
- Manufacturer: JCB
- Manual type: Service Manual
- Publication number: 9813/0450-1
- Page count: 329 pages
- Copyright: 2004 JCB Service
- Language: English
This JCB Workmax 800D Service Manual is the correct publication for the stated model and serial-number range. It combines machine identification, safety, maintenance and system-specific technical sections in one workshop reference.
Always confirm the complete machine serial number before relying on service information, as this edition is specifically identified for Workmax 800D machines from serial number 1629000 through 1632999.

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