🏷️ Basic Information Identification Make: Thwaites Model: 257 Year: N/A Generation: N/A 📋 Manual Details Publication Manual Type: Parts Manual Language: English Format: PDF Content Content Overview: Exploded views and parts lists for all components. Purpose: To aid in identifying and ordering replacement parts. ⚙️ Engine Specifications Identification Engine Manufacturer: Perkins (likely) Engine Model: Various models possible for this tonnage and era, e.g., 1000 Series Performance Engine Power Hp: Approx. 70-80 HP (typical for this class) Engine Displacement Liters: Approx. 3.0 - 4.0 Liters Fuel Fuel Type: Diesel 🔧 Transmission Type Transmission Type: Hydrostatic (common in this class) Features Transmission Gears: Variable (hydrostatic) 📐 Dimensions Physical Length Meters: Approx. 5.0 - 6.0 Width Meters: Approx. 2.0 - 2.5 Height Meters: Approx. 2.5 - 3.0 Weight Operating Weight Kg: Approx. 4000 - 5000 🔧 Maintenance Servicing Service Interval Hours: Refer to specific engine and component manuals (e.g., 250, 500 hours) Fluids Engine Oil Capacity Liters: Refer to specific engine specifications Hydraulic Oil Capacity Liters: Refer to specific hydraulic system specifications 📄 Vehicle Specs Capacity Payload Capacity: 5 Tonne Configuration Dumper Type: Articulated Dumper Drive Type: 4x4