JCB 804 Mini Crawler Excavator Tier 1 SN 00734001 – 00734401 Parts Catalogue (9802/5404)

JCB 804 Mini Crawler Excavator Tier 1 Parts Catalogue (9802/5404)

This Tier 1 Parts Catalogue delivers an exhaustive component reference for the JCB 804 Mini Crawler Excavator, providing detailed exploded diagrams, structured parts indexing, and system-by-system breakdowns designed to support accurate servicing, maintenance, and parts replacement. The manual includes complete assemblies for attachments, bodywork, cab structures, hydraulics, electrics, and control systems, offering a precise technical insight into the early-generation 804 excavator configuration.

Model Covers:

JCB 804 Mini Crawler Excavator

Serial Number Range: 00734001 - 00734401

Tier Classification: Tier 1 (Pre-Emission Model)

Note: Component specifications, part numbers, and assembly fittings apply exclusively to machines operating within the listed Tier 1 serial range. Verify compatibility during ordering and maintenance operations.

File Format: PDF

Size: 12.40 MB

No. of pages: 392

Language: English

Delivery Method: Instant Download - Access the file immediately after purchase.

📑 Included Sections:

Section A - Attachments

• General purpose bucket range from 230mm to 760mm, including profiling and wear component listings
• Rehandling, ditch cleaning, grading, and trapezoidal bucket assemblies
• Manual quickhitch systems, cutter/crusher CM250, and kerbgrab attachments in manual and hydraulic variants
• Dozer blade assemblies with toeplate configurations and associated hardware

Section B - Bodywork, Cab, Loader End

• Mainframe, counterweights, and chassis-mounted protection plates
• Fuel tank, hydraulic reservoir, floorplates, heat insulation sheets, and bulkhead panels
• Soundproofing panels, ventilation covers, and engine enclosure variants (yellow, grey, white, green)
• Cab configurations including complete cab assemblies, canopies, cab shell structures, and rear panel sets
• Door assemblies, glazing (fixed/opening), and operator seat mount options (static, suspension, vinyl, cloth)

Section C - Electrical System

• Main wiring harness layout and routing channels
• Lighting circuits, indicators, switches, and fuse modules
• Cab-mounted electrical components and connector groupings

Section D - Controls

• Control levers, linkage groups, and pivot mechanisms
• Servo control components and hydraulic modulation elements
• Pedal assemblies and mounting fixtures
• Control valve mounting brackets and interface hardware

Section E - Hydraulic System

• Hydraulic pump groups and multi-section control valves
• Hydraulic cylinders for boom, dipper, bucket, and blade functions
• High-pressure hoses, fittings, connectors, and filtration elements
• Relief valves, accumulators, and system flow routing
• Referenced schematics for circuit analysis and operational flow

This Tier 1 Parts Catalogue is indispensable for technicians, engineers, and owners maintaining JCB 804 Mini Crawler Excavators, providing precise component identification, accurate ordering data, and full structural insight essential for effective repairs and long-term operation.