🏷️ Basic Information Identification Make: Hyster Model: D024 Series: S135FT, S155FT Class: 4 (Internal Combustion Engine Trucks - Cushion Tire) Year: Not specified (manual covers various years) Generation: Not specified 📋 Manual Details Documentation Manual Type: Service Repair Factory Manual Language: English Format: PDF Compatibility: Windows & Mac Page Count: Not specified (but described as extensive) ⚙️ Engine Specifications Engine Type Engine Type: Internal Combustion Engine Fuel Type Fuel Type: Gasoline / LPG Engine Manufacturer Engine Manufacturer: GM / Cummins (for QSB 3.3L specific references) Displacement Displacement: 3.3L (for QSB 3.3L) Engine Notes Engine Notes: Covers specific engine types and fault codes 🔧 Transmission Transmission Type Transmission Type: Powershift Gears Gears: Two-Speed, Three-Speed Transmission Notes Transmission Notes: Includes repair procedures for both two-speed and three-speed powershift transmissions 🔧 Maintenance Periodic Maintenance Periodic Maintenance: Covered Capacities And Specifications Capacities And Specifications: Covered Diagnostic Trouble Codes Diagnostic Trouble Codes: Covered (including QSB 3.3L Fault Codes) Operational Checkout Operational Checkout: Covered 📄 Chassis And Frame Frame Frame: Repair procedures for Frame Steering Axle Steering Axle: Repair procedures for Steering Axle Drive Axle Drive Axle: Repair procedures for Drive Axle and Differential Assembly 📄 Hydraulics Hydraulic Pump Hydraulic Pump: Repair procedures for Hydraulic Gear Pump Main Control Valve Main Control Valve: Repair procedures for Main Control Valve 📄 Electrical And Control Electrical System Electrical System: Repair procedures for Electrical System Wire Harness Wire Harness: Repair procedures for Wire Harness User Interface User Interface: Covered High Voltage Switch High Voltage Switch: Repair procedures for High Voltage Switch (HVS) Ignition 📄 Cooling System Cooling System Cooling System: Repair procedures for Cooling System 📄 Braking System Brake System Brake System: Repair procedures for Brake System 📄 Fuel System Gasoline Fuel System Gasoline Fuel System: Repair procedures for Gasoline Fuel System Lpg Fuel System Lpg Fuel System: Repair procedures for LPG Fuel System 📄 Lifting Mechanism Mast Repairs Mast Repairs: Covered 📄 Technical Information Diagrams And Schematics Diagrams And Schematics: Covered Fasteners Fasteners: Metric and Inch (SAE) Fasteners