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Yale

Yale GDP135VX GDP155VX GLP135VX GLP155VX GP135VX GP155VX (C878) Forklift Service Repair Manual

Yale GDP135VX GDP155VX GLP135VX GLP155VX GP135VX GP155VX (C878) Forklift Service Repair Manual

$16.99
$16.99
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Vehicle data plateRef 180849
Brand
Yale
Vehicle
Forklift
Models covered
B Series, Cummins, Engines, GDP135VX, GDP155VX, GLP135VX, GLP155VX, GP135VX, GP155VX
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
Yale
Product Name:
Yale GDP135VX, GDP155VX, GLP135VX, GLP155VX, GP135VX, GP155VX (C878) Forklift Trucks Service Repair Manual
Series Code:
C878
Model Covered:
GDP135VX, GDP155VX, GLP135VX, GLP155VX, GP135VX, GP155VX
Model Type:
Forklift Truck
👋 Introduction
Market Position
Target Audience:
Forklift owners, technicians, maintenance personnel, DIY enthusiasts seeking to perform their own repairs and save costs.
Competitive Analysis
Value Proposition:
Provides comprehensive, step-by-step repair and maintenance guidance, enabling users to perform repairs themselves and save on labor costs.
Key Features
Key Selling Points:
Complete information, detailed diagrams and illustrations, diagnostic troubleshooting, instant download, cost savings.
📋 Manual Details
Coverage Areas
Primary Focus:
Service and Repair
Page Count
Estimated Page Count:
Detailed and Comprehensive (Specific count not provided, but inferred from Cummins B Series manual contents and overall description)
Manual Type
Type:
Complete Service Repair Manual
Language
Language:
English
Format
File Format:
PDF
Distribution Method:
Instant Download
File Format
Storage Options:
Can be saved to hard-drive and burned to CD-ROM.
📖 Manual Coverage
Systems Covered
Powertrain:
Cummins B4.5RGT, GM 4.3L V-6 Engines, Three-Speed Powershift Transmission, Two-Speed Powershift Transmission, Drive Axle and Differential Assembly
Operator Interface:
Operator's Cab, User Interface
Chassis Frame:
Frame
Cooling Lubrication:
Cooling System, Lubrication Oil System (Cummins)
Fuel Systems:
LPG Fuel System (GM 4.3L), Gasoline Fuel System (GM 4.3L)
Ignition Electrical:
High Voltage Switch (HVS) Ignition, Electrical System, Wire Harness Repair
Braking Steering:
Brake System, Steering Axle
Hydraulics:
Hydraulics, Hydraulic Gear Pump, Hydraulic Cleanliness Procedures, Main Control Valve, Cylinder Repair (Mast S/N specific), Mast Repairs (Mast S/N specific)
Procedures Included
Maintenance:
Periodic Maintenance, Technical Maintenance, Servicing
Repair:
Assembly, Disassembly, Overhaul (Cummins), Rebuild Procedures, Troubleshooting
Diagnostics:
Diagnosing, Diagnostic Troubleshooting, Trouble Finding
Technical Depth
Depth:
Comprehensive: from basic maintenance and troubleshooting to in-depth overhaul and repair procedures for all major systems.
Content Quality:
Contains specs, diagrams, actual real photo illustrations, and schemes.
Reference Material
Fastener Standards:
Metric and Inch (SAE) Fasteners - provides guidance on fastener types and sizes used in the forklift.
Calibration Procedures:
Calibration Procedures - covers necessary calibration steps for various components or systems.
Schematics Diagrams:
Diagrams and Schematics - essential for understanding system layouts and troubleshooting.
Specifications Data:
Capacities and Specifications - provides essential data like fluid capacities, torque values, and performance figures.
📊 Manual Specifications
File Format
Requirements:
Adobe PDF Reader & WinZip
Compatibility:
All Versions of Windows & Mac, Linux OS, iPhone, iPad, Android etc.
Print Quality
Searchable:
Yes (Bookmarked and SEARCHABLE)
Zoom Print:
Viewable on any computer, zoomable, and printable
Binding Type
Binding:
Digital (Downloaded PDF - no physical binding)
Paper Type
Paper Type:
N/A (Digital Format)
Completeness
Completeness Guarantee:
100% Complete and Intact, No Missing/Corrupt Pages/Sections
⚙️ Engine Specifications
Primary Engine Cummins
Engine Model:
Cummins B4.5RGT
Engine Type:
Turbocharged Diesel (RGT indicates Turbocharged Gas/Diesel)
Engine Displacement:
4.5 Liters
Primary Engine Gm
Engine Model:
GM 4.3L V-6
Engine Type:
Gasoline or LPG (Liquefied Petroleum Gas)
Engine Displacement:
4.3 Liters
Performance
Horsepower Torque Specs:
Detailed specifications are available within the manual, specific to each engine variant and model.
Fuel System
Fuel Types Covered:
Diesel (Cummins), LPG, Gasoline (GM)
Cummins Fuel System Coverage:
Fuel System (Group 5), Injectors (Group 6)
Lubrication
Oil System Coverage:
Lubrication Oil System (Group 7 - Cummins)
Cummins Engine Coverage
Cummins Manual Sections:
Includes detailed sections from the Cummins B Series Shop Manual: Introduction, Component Manufacturers, Engine Identification, Service Literature, Disassembly/Assembly, Cylinder Block, Cylinder Head, Rocker Levers, Tappets/Push Rods, Fuel System, Injectors, Lubrication Oil System, Cooling System, Drive Units, Air Intake, Exhaust System, Air Equipment, Electrical Equipment, Engine Testing, Mounting Adaptations.
🔧 Transmission
Standard Transmission
Type:
Three-Speed Powershift Transmission Repair, Two-Speed Powershift Transmission Repair
Optional Transmission
Optional Types:
N/A (Manual focuses on specified transmission types)
Features
Powershift Capabilities:
Detailed repair and maintenance for powershift functionality.
Drive Axle
Drive Axle Coverage:
Drive Axle and Differential Assembly Repair
📐 Dimensions
Exterior
Forklift Capacity Range:
Implied by model numbers: 13500 lbs to 15500 lbs (standard lift capacity, specific models may vary slightly).
Weights
Operational Weight:
Specifications not provided, but can be found in manual's 'Capacities and Specifications' section.
🛡️ Safety Features
Ratings
Safety Features Coverage:
General safety considerations implicitly covered through proper maintenance and repair procedures. Specific safety ratings are not detailed in the provided product information.
Active Features
Active Safety Systems:
N/A (Focus on mechanical and electrical systems, not specific active safety tech like collision avoidance which is less common on older forklift designs).
Passive Features
Passive Safety Features:
Operator's Cab design and structural integrity are implicitly covered through frame and cab repair sections.
💡 Technology Features
Infotainment
Infotainment Systems:
N/A - Forklifts of this era typically do not feature complex infotainment systems.
Driver Assistance
Driver Assistance Features:
N/A - Focus is on mechanical and basic electrical systems, not advanced driver assistance.
Connectivity
Connectivity Options:
N/A - Standard for industrial equipment of this vintage.
User Interface
User Interface Coverage:
Detailed coverage of the User Interface, likely referring to operator controls and dashboard indicators.
🔧 Maintenance
Service Intervals
Scheduled Maintenance:
The manual includes 'Periodic Maintenance' sections, providing essential intervals for tasks like fluid changes, filter replacements, and inspections.
Fluid Specifications
Hydraulic Fluid Type:
Specific hydraulic fluid specifications (e.g., viscosity, API service classifications) will be detailed within the manual.
Engine Oil Type:
Engine oil specifications (viscosity grade, API service category) for both Cummins diesel and GM gasoline/LPG engines are provided.
Transmission Fluid Type:
Transmission fluid type and capacity for the powershift transmissions will be detailed.
Coolant Specifications:
Coolant type, mixture ratio, and capacity for both engine cooling systems are included.
Known Issues
Common Troubleshooting Areas:
The manual addresses 'Diagnostic Troubleshooting' for issues like 'High Engine Water Temperature' and covers general repair scenarios for all systems, implying common failure points are addressed.
Parts Information
Part Identification:
While not a dedicated parts catalog, the detailed repair procedures and diagrams implicitly aid in identifying parts for replacement.
📚 Vehicle History
Brand Heritage
Brand Expertise:
Yale is a well-established and respected manufacturer of material handling equipment with a long history of producing durable and reliable forklifts.
Model Evolution
Model Family:
The C878 designation suggests a specific generation or series of Yale forklifts, incorporating engine options from Cummins and GM.
Production
Production Period:
The inclusion of 1991 and 1994 Cummins certification levels suggests the forklifts covered are likely from the early to mid-1990s.
🏆 Awards & Recognition
Recognitions
Industry Recognition:
Yale is a recognized leader in the material handling industry, implying their equipment is designed to meet industry standards and perform reliably.
Certifications
Engine Certifications:
Cummins B Series manual mentions '1991 and 1994 Certification Levels', indicating compliance with emission or operational standards of those years.

Delivery & file format

This is a digital PDF download, not a printed book. After payment the download link appears on your order confirmation page and is emailed to the address you entered. Files open in any PDF reader on phone, tablet or computer and can be printed.

Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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