2006-2007+ JCB Mini Excavator 8025Z / 8030Z / 8035Z Service Manual (P/N 9803/9410-3)

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JCB Models Covered & Key Technical Specifications

Models: JCB 8025Z, 8030Z, 8035Z
Model Years: 2006–2007+
Serial Numbers: JCB 8025Z from 1226500, JCB 8030Z from 1228500, JCB 8035Z from 1230500
Technical Data:

  • Maximum hydraulic fluid flow rate: 100 l/min
  • Maximum allowable side-to-side movement: 1.5 mm
  • Operational circuit current baseline: 20 Amps
  • Optimal pump speed: 1500 rpm
  • Chassis shipping weight: 3721 kg
  • Hydraulic reservoir capacity: 70 liters
Technical Specifications
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Document Number / Seller:
27764 / Harold Gomez
File Size:
11.74 MB
File Type:
PDF
Language:
English
Pages:
387
Printable:
Yes
Category:
Mini Excavator
Last updated / verified
Jun 18, 2026

JCB Manual Features & Content Preview

  • Covers 2006–2007+ JCB 8025Z, 8030Z, and 8035Z mini excavators
  • Official JCB service publication P/N 9803/9410-3 (originally issued 2004)
  • 387 pages of heavy equipment specifications covering Tier 2 and Tier 3 engine configurations
  • Includes 37 full-page technical diagrams detailing hydraulic test setups, electrical fuse charts, and fastener torque tables
  • Documents specific torque values for zinc-plated, Dacromet, and metric fasteners alongside factory lubrication protocols

Diagnostic Specifications and System Data

Getting accurate torque specs and baseline hydraulic readings is crucial when a machine is down. This publication serves as the primary technical reference for the 8025Z, 8030Z, and 8035Z line, providing the exact factory data required for both routine maintenance and complex system diagnostics. Inside, you will find comprehensive fluid capacity charts for cooling and hydraulic circuits, eliminating guesswork on the shop floor.

The documentation breaks down the electrical system thoroughly, detailing fuse ratings and bulb specifications based on whether the excavator was built before or after September 2006. Engine maintenance routines and fuel system data are clearly separated for Tier 2 and Tier 3 variants to ensure accurate servicing. Before starting any high-pressure hydraulic or electrical diagnostic work, always verify machine lock-out procedures and relieve system pressure to ensure shop safety.

Technical Safety Notice
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This official OEM document is intended for professional technicians and skilled operators. Performing service on mechanical equipment involves inherent risks. By purchasing, you acknowledge that RepairLoader provides original manufacturer data for informational purposes. Always prioritize safety: use correct tools, wear protective gear, and consult a certified professional if you are uncertain of any procedure.

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