WD10 Diesel Engine Service Manual – Mechanical Pump Series (Weichai / SDLG) PDF
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Official WD10 Mechanical Pump Series Diesel Engine Service Manual, covering China II emission standard models. Includes full specifications, disassembly & assembly instructions, troubleshooting charts, torque data, and maintenance procedures. Ideal for Weichai WD10 and SDLG heavy-duty equipment engines used in loaders and construction machinery.
Description
WD10 Diesel Engine Service Manual – Mechanical Pump Series (Weichai / SDLG) – PDF DOWNLOAD
Description
The WD10 Diesel Engine Service Manual provides comprehensive technical coverage for Weichai Power’s WD10 mechanical-pump diesel engines, developed to meet China II emission standards.
This factory manual is intended for technicians, engineers, and maintenance personnel servicing WD10 engines used in SDLG loaders, trucks, and construction vehicles.
It details diagnosis, repair, disassembly, reassembly, maintenance, and troubleshooting of all key subsystems—fuel, cooling, lubrication, starting, intake & exhaust, and valve mechanisms—with detailed specifications and clear illustrations.
📑 Table of Contents
1. Usage Instructions
Engine overview & external view
Model composition & specification tables
Engine lifting & installation procedures
Start-up, operation & running-in guidelines
Safety precautions & fuel recommendations
2. Maintenance Guidelines
Fuel & engine oil specifications (15W/40 CF-4 recommended)
Antifreeze mixing and additive chart
Daily & periodic maintenance checklists
Valve clearance adjustments (0.3 mm intake / 0.4 mm exhaust)
Long-term storage and protection procedures
3. Diagnosis & Troubleshooting
Diagnostic methods (observation, auscultation, comparison)
Common faults and corrections for:
Engine start failures
High temperature and oil pressure issues
Excessive smoke (black, white, blue)
Underpower and fuel consumption issues
Electrical and charging system failures
4. Disassembly & Assembly Procedures
Cylinder head assembly and valve mechanism
Engine block assembly & crank-rod mechanism
Intake & exhaust system
Fuel system (Injection pump, injectors, pipes)
Cooling, lubricating, and starting systems
Generator, A/C compressor, air compressor, steering pump
Exploded diagrams and tightening sequence tables
⚙️ Technical Highlights
| Feature | Details |
|---|---|
| Engine Model Series | WD10 Mechanical Pump (China II Emission Standard) |
| Manufacturer | Weichai Power Co., Ltd. / SDLG |
| Engine Type | Water-cooled, 4-stroke, 6-cylinder in-line, turbocharged & intercooled |
| Displacement | 9.726 L |
| Compression Ratio | 17 : 1 |
| Rated Power Range | 175–276 kW @ 2200 rpm |
| Maximum Torque | 1100–1460 N·m @ 1200–1600 rpm |
| Fuel System | Mechanical injection pump |
| Lubricating Oil Capacity | 23 L |
| Cooling System Capacity | 40 L (with radiator) |
| Emission Standard | China II (GB17691-2005 Rev 2008) |
| Noise Level | < 104 dB(A) @ 1 m |
| B10 Life | ≈ 800 000 km |
🧩 Highlights & Benefits
Factory-level service procedures for accurate repairs
Detailed tightening torque & angle charts
Exploded views for every subassembly
Troubleshooting matrix covering 20+ common faults
Includes valve, fuel, oil pressure, and timing specifications
Step-by-step assembly safety and environmental protection notes
File Details
| Field | Description |
|---|---|
| Manual Name | Service Manual for WD10 Diesel Engine (Mechanical Pump Series) |
| Models Covered | WD10 G175E251 / G200E251 / G210E211 / G240E211 / etc. |
| Edition / Year | 1st Edition – June 2014 |
| Publisher | Shandong Lingong Construction Machinery Co., Ltd. (SDLG) |
| Pages | ≈ 164 pages |
| File Quality | High-resolution, text-searchable factory PDF |
| Language | English (original translation from Chinese) |
