🏷️ Basic Information Identification Make: Caterpillar Model: D8T Track-Type Tractor Type: Track-Type Tractor Generation Current Generation Start Year: 2004 Codes Serial Number Prefix Machine: 9EM Serial Number Prefix Engine: 41Z Serial Number Prefix Transmission: 8YX Serial Number Prefix Bulldozer Early: 3MP Serial Number Prefix Bulldozer Later: 4ZP Serial Number Prefix Bulldozer Alternative 1: 9TP Serial Number Prefix Bulldozer Alternative 2: BHE Serial Number Prefix Bulldozer Alternative 3: BHR Serial Number Prefix Bulldozer Alternative 4: BHW Serial Number Prefix Bulldozer Alternative 5: CXB Serial Number Prefix Bulldozer Alternative 6: CXL Serial Number Prefix Ripper Early: 9EH Serial Number Prefix Ripper Later: 9FH Serial Number Prefix Ripper Alternative 1: CXA Serial Number Prefix Ripper Alternative 2: CXW Serial Number Prefix Torque Converter Early: 95T Serial Number Prefix Torque Converter Later: TCD 👋 Introduction Market Position Machine Class: Heavy-duty track-type tractor Application Focus: Construction, mining, earthmoving, heavy-duty applications Competitive Analysis Key Competitors: Komatsu D85, John Deere 850K Key Features Manual Value Proposition: Inexpensive way to keep vehicle working properly, provides factory-level repair guidance Manual Benefit: Enables informed repairs, part sourcing, and maintenance for D8T owners and technicians 📋 Manual Details Coverage Areas General Information: Included Repair Alternatives: Included Supplemental Coolant Additives: Included Maintenance Parts: Included Index: Included Machine Arrangement: Included Engine Arrangement: Included Basic Engine: Included Lubrication System: Included Cooling System: Included Air Inlet And Exhaust System: Included Fuel System: Included Electrical And Starting System: Included Power Train: Included Frame And Body: Included Undercarriage: Included Steering And Braking System: Included Hydraulic System: Included Implements: Included Work Tools: Included Operator Station: Included Other Systems: And More Page Count Estimated Page Count: Highly Detailed (specific count not provided, but implies extensive coverage) Manual Type Type: Factory Parts Manual Language Language: English Format File Format: PDF Compatibility: All Versions of Windows & Mac Download Method: Instant Download Printability: All pages are printable Software Requirements: Adobe PDF Reader & WinZip 📖 Manual Coverage Systems Covered Engine Systems: Basic Engine, Lubrication System, Cooling System, Air Inlet and Exhaust System, Fuel System Powertrain Systems: Power Train, Transmission, Torque Converter Chassis And Undercarriage: Frame and Body, Undercarriage, Steering and Braking System Auxiliary Systems: Electrical and Starting System, Hydraulic System Attachments And Work Tools: Implements, Work Tools, Ripper, Bulldozer Operator Environment: Operator Station Procedures Included Disassembly And Assembly: Complete dis-assembly and step-by-step repair procedures Part Identification: Detailed illustrations for part identification and ordering Maintenance Guidance: Maintenance Parts, Supplemental Coolant Additives Technical Depth Depth Level: Factory level detail Detail Elements: Hundreds of photos and illustrations, step-by-step instructions Target Audience: Do-it-yourself-er and experienced mechanic 📊 Manual Specifications File Format Quality: High-resolution, factory quality Print Quality Print Clarity: Sharp and clear, ensuring readability of all text and diagrams Binding Type Binding Method: Digital Download (Printable) Paper Type Recommended Paper: Standard printer paper (for printed copies) ⚙️ Engine Specifications Primary Engine Engine Model: Caterpillar C15 (Typically) Engine Displacement: 15.2 Liters (928 cu. in.) Engine Technology: ACERT™ Technology (Advanced Combustion Emissions Solution Technologies) Performance Net Flywheel Horsepower: Approx. 310 HP (231 kW) (Varies by configuration and serial number) Peak Torque: Approx. 1300 lb-ft (1760 Nm) (Varies by configuration and serial number) Fuel System Fuel Injection Type: MEUI (Mechanical Electronic Unit Injector) Fuel Type Recommendation: ASTM D975 No. 2 diesel fuel 🔧 Transmission Standard Transmission Type: Powershift, planetary gear type Number Of Gears Forward: 3 Number Of Gears Reverse: 3 Features Transmission Control: Electronically controlled for smooth shifting and optimal performance Fluid Requirements Transmission Fluid Type: Caterpillar TO-4 Transmission/Drive Train Oil (or equivalent) 📐 Dimensions Exterior Operating Weight: Approx. 40,000 - 45,000 kg (88,000 - 99,000 lbs) (Varies by configuration and attachments) Length With Blade: Approx. 5.5 - 6.0 meters (18 - 20 ft) Width Without Tracks: Approx. 2.5 meters (8.2 ft) Height To Cab Top: Approx. 3.0 - 3.3 meters (9.8 - 10.8 ft) 🛡️ Safety Features Ratings Rollover Protection Structure: Standard ROPS (Roll Over Protective Structure) Fall Protection: Standard FOPS (Falling Object Protective Structure) optional Active Features Braking System Type: Service brakes: Wet, multi-disc, power-assisted, hydraulic. Parking brake: Spring-applied, hydraulically released, multiple-disc brake. Passive Features Operator Station Design: Ergonomically designed cab for operator comfort and safety 💡 Technology Features Infotainment Infotainment System: Not applicable (Focus is on operational functionality, not traditional infotainment) Driver Assistance Machine Monitoring System: Integrated Machine Monitoring System providing real-time data on engine, powertrain, and hydraulic performance. Telematics: Often equipped with Caterpillar Product Link™ for remote monitoring and fleet management. Connectivity Diagnostic Capabilities: On-board diagnostics and data logging for troubleshooting and performance analysis. 🔧 Maintenance Service Intervals Engine Oil And Filter Change: Typically every 250-500 operating hours (Refer to manual for specific recommendations) Hydraulic System Filter Change: Typically every 1000-2000 operating hours (Refer to manual) Undercarriage Maintenance: Regular inspection and adjustment of track tension, lubrication of pivot shafts. Fluid Specifications Engine Oil Specification: Caterpillar DEO-ULS (Diesel Engine Oil - Universal Low Sulfur)...