JCB 2D, 2DS, 3, 3C, 3CS, 3D & 700 MK 2 & MK 3 Excavator Loader - Workshop Service Manual & Repair Guide (1970-1982)
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Sample pages from the JCB 2D, 2DS, 3, 3C, 3CS, 3D & 700 MK 2 & MK 3 Excavator Loader - Workshop Service Manual & Repair Guide (1970-1982) manual
Purchase Information
Technical Specifications
- Document Number / Seller:
- 24997 / Laura Robinson
- File Size:
- 8.58 MB
- File Type:
- Language:
- English
- Pages:
- 472
- Printable:
- Yes
- Estimated Download Time:
- 0.18 Minutes
- Delivery Format:
- Digital (PDF) - Instant Access
- Category:
- Excavator
- Brand:
- JCB
- Reviewed and Approved:
- Dec 29, 2025
JCB Models and Parts Covered in this Excavator Manual
- JCB 2D (MK 2)
- JCB 2D (MK 3)
- JCB 2DS (MK 2)
- JCB 2DS (MK 3)
- JCB 3 (MK 2)
- JCB 3 (MK 3)
- JCB 3C (MK 2)
- JCB 3C (MK 3)
- JCB 3CS (MK 2)
- JCB 3CS (MK 3)
- JCB 3D (MK 2)
- JCB 3D (MK 3)
- JCB 700 (MK 2)
- JCB 700 (MK 3)
- JCB 2D Centremount (MK 2 & MK 3)
- JCB 3C Sitemaster (MK 2 & MK 3)
- JCB 3D Sitemaster (MK 2 & MK 3)
- JCB 2DS Centremount (MK 2 & MK 3)
Complete Manual Information
JCB MK 2 & MK 3 Series Excavator Loader Workshop Service Manual - The Ultimate Repair & Restoration Guide
Revive and maintain the power of your vintage JCB machinery with the most comprehensive workshop manual available. Specifically engineered for the legendary MK 2 and MK 3 range produced between 1970 and 1982, this manual is the definitive technical resource for owners, restorers, and service engineers who demand factory-level precision.
Whether you are performing a simple oil change or a complete transmission overhaul, this guide provides the step-by-step instructions and technical data necessary to keep your JCB in peak operating condition.
Detailed Model & Series Coverage
This manual covers the full breadth of the JCB MK 2 and MK 3 lineup, including all technical variations and trade names:
- JCB 2D & 2DS (MK 2 & MK 3)
- JCB 3, 3C & 3CS (MK 2 & MK 3)
- JCB 3D (MK 2 & MK 3)
- JCB 700 (MK 2 & MK 3)
- Specialty Builds: Includes coverage for Centremount and Sitemaster configurations, ensuring no model is left behind.
Precise Machine Identification & Serial Numbers
To ensure you are using the correct service data for your specific machine, this manual includes a dedicated "Machine Identification" section. It details the exact serial number ranges for both generations:
- MK 2 Range: Sequential Serial Numbers 55000 to 68150.
- Interim Loaders: Sequential Serial Numbers 100001 to 124999.
- MK 3 Range: Sequential Serial Numbers 125001 to 199999. The guide also decodes Tractor Serial Numbers (e.g., 384B for 10-speed or 2728 for 9-speed) and Engine Serial Numbers (e.g., 498NT prefixes), allowing for 100% accurate parts sourcing and troubleshooting.
Comprehensive Technical Sections
- Transmission Mastery (Section F): Detailed coverage for Manual Gearboxes (9 and 10-speed) and Torque Converter builds (/3 and /5 builds). Includes stall test speeds, clutch oil pressures, and full dismantling/assembly sequences.
- Advanced Hydraulics (Section E): Complete data for Plessey and Hamworthy gear pumps. Learn to set the Main Relief Valve (MRV) at the factory-spec 2000 lbf/in² (138 bar) and calibrate auxiliary valves for shovel and excavator services.
- Engine Systems (Section K): Focuses on the BLMC 4-cylinder diesel engines (38TD and 4/98NT). Provides critical data on injection timing, valve clearances, and cooling system capacities.
- Braking & Steering (Sections G & H): Covers both dry and oil-immersed multiplate disc units, plus fully hydrostatic steering systems with Danfoss Orbitrol control units.
- Attachments & Framework (Sections A & B): Specialized instructions for the JCB Roadbreaker, Extending Dipper, Jaw Bucket, and Clamshovel options.
Why This Manual is Essential for Every Owner
- Professional Grade Data: Originally published for JCB Distributor Service Engineers, this volume contains "Technical Data" (Section 2) featuring exact torque settings (UNF Grade 5 and Metric 8.8) and fluid capacities that generic manuals miss.
- Step-by-Step Visuals: Packed with high-quality illustrations and numbered assembly sequences. Learn the "Right Hand" and "Left Hand" orientations as viewed from the rear for zero confusion.
- Maintenance Schedules (Section 3): Follow the prescribed service intervals (Daily to 1600 hours) to prevent catastrophic component failure and protect your investment.
- Safety First: Includes a vital "Care & Safety" module (Section 1) on pressure testing, handling hot oil, and secure component removal to keep you safe in the workshop.
Real Value for Your Workshop
Stop wasting time with guesswork. This manual empowers you to handle everything from bleeding the Simms Minimec or CAV DPA fuel systems to adjusting the front axle pivot and kingpins. By following the factory-prescribed "Good Fitting Pays" philosophy, you ensure your machine delivers the maximum breakout force and reliability it was built for.
Invest in the documentation used by the pros. Keep your JCB MK 2 or MK 3 series digging, loading, and performing for decades to come.
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Frequently Asked Questions - JCB Excavator Manual
Is this manual suitable for beginners?
Yes, this JCB manual is designed for both professional technicians and DIY enthusiasts. It includes step-by-step procedures with clear illustrations and safety guidelines for Excavator maintenance and repair.
What file format will I receive?
You will receive this manual as a PDF file (8.58 MB), which is compatible with all devices. The manual is fully searchable and printable for your convenience.
How quickly can I access the manual after purchase?
You'll receive instant access to your JCB Excavator manual immediately after payment completion. The download link is valid for 3 days, with lifetime re-download guarantee.
Can I print specific sections of the manual?
Absolutely! This digital manual allows you to print any section you need, from individual pages to complete chapters, making it perfect for workshop use.
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