🏷️ Basic Information Identification Make: David Brown Model: 885N Product Type: Workshop Service Manual 👋 Introduction Market Position Tractor Segment: Medium-duty utility tractor Competitive Analysis Peer Competitors: Massey Ferguson 100 series, Fordson D series, International Harvester B series, Leyland 253/485 Key Features David Brown Strengths: Robust construction, reliable engineering, good power-to-weight ratio 📋 Manual Details Coverage Areas Manual Coverage Scope: Comprehensive repair and maintenance Page Count Estimated Page Count: Refer to actual manual for exact count (typically 300+ pages for this class of tractor) Manual Type Manual Classification: Service Manual / Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine System: Complete overhaul, troubleshooting, fuel system (injection pump, injectors), lubrication, cooling system Transmission System: Gearbox, clutch, PTO (Power Take-Off), differential, hydraulic lift system, final drive Hydraulic System: Hydraulic pump, control valve, cylinders, reservoir, filter, troubleshooting, component testing Electrical System: Wiring diagrams, starter, generator/alternator, battery, lighting, instrumentation, troubleshooting Chassis And Steering: Front axle, steering mechanism, brakes (mechanical/hydraulic), rear axle, wheel hubs Operator Station: Controls, seat, platform, fenders, dashboard Procedures Included Maintenance Procedures: Regular service checks, lubrication points, filter replacement, fluid changes Repair Procedures: Step-by-step disassembly, reassembly, component replacement, adjustments Troubleshooting Guides: Systematic diagnostic procedures for common and uncommon faults Overhaul Instructions: Detailed instructions for complete engine, transmission, and hydraulic unit rebuilds Technical Depth Depth Of Coverage: In-depth, suitable for professional mechanics and experienced owners 📊 Manual Specifications File Format Digital Format: PDF (Portable Document Format) Print Quality Digital Resolution: High-resolution, ensuring clarity of text and diagrams Binding Type Digital Accessibility: Instant download, accessible on multiple devices (PC, tablet, smartphone) Paper Type Digital Features: Searchable text, clickable links (if applicable in source document) ⚙️ Engine Specifications Primary Engine Engine Make Model: David Brown 3-cylinder diesel engine Engine Displacement: Approximately 256 ci (4.19 Liters) - *Verify exact spec for 885N variant* Performance Engine Horsepower Drawbar: Typically in the 45-55 HP range at the drawbar - *Verify exact spec* Engine Horsepower Pto: Typically in the 50-60 HP range at the PTO - *Verify exact spec* Fuel System Fuel Injection System: Bosch or CAV inline injection pump (typical for era) Fuel Type: Diesel 🔧 Transmission Standard Gearbox Type: David Brown 12-speed 'Selectamatic' transmission (or similar variant with multiple speeds) Optional Pto Speeds: Standard 540 PTO, potentially optional 1000 PTO - *Verify* Features Selectamatic System: Hydraulic depth and draft control for implements, often with position control 📐 Dimensions Exterior Wheelbase: Variable, but typically around 80-85 inches (2030-2160 mm) - *Verify* Weights Operating Weight: Approximately 4,500 - 5,500 lbs (2041 - 2495 kg) - *Verify* Front Tire Size: Commonly 6.00-16 or 7.50-16 Rear Tire Size: Commonly 12.4/11-36 or 14.9-28 🛡️ Safety Features Ratings Tractor Safety Standards: Meets safety regulations for its production era; manual covers safety precautions for operation and maintenance Active Features Braking System: Mechanical contracting band brakes or hydraulic internal expanding brakes, often with independent rear wheel braking Passive Features Operator Protection: Basic platform, fenders; ROPS (Roll-Over Protective Structure) may be an aftermarket fitment or factory option on later models. 💡 Technology Features Infotainment Instrumentation Features: Basic dashboard with tachometer, oil pressure gauge, temperature gauge, battery charge indicator, fuel gauge Driver Assistance Tractor Assist Features: Selectamatic hydraulic controls are the primary advanced feature for implement management. Connectivity Connectivity Options: N/A for this era of tractor; focused on mechanical and hydraulic functionality. 🔧 Maintenance Service Intervals Engine Oil Change Interval: Typically every 250 hours or annually - *Refer to manual for exact specification* Hydraulic Fluid Change Interval: Typically every 500-1000 hours or annually - *Refer to manual for exact specification* Fluid Specifications Engine Oil Type: API CD or higher, SAE 15W-30 or 10W-30 (depending on climate) - *Verify with manual* Hydraulic Transmission Oil Type: David Brown HTD (Hydraulic Transmission Fluid) or equivalent (e.g., John Deere J20C, Case IH MS-1207) - *Crucial to use correct specification* Coolant Type: Ethylene Glycol based antifreeze with corrosion inhibitors, mixed 50/50 with distilled water Known Issues Common Wear Points: Hydraulic system (pump, seals), clutch wear, PTO engagement, front axle kingpins, braking system effectiveness Engine Common Faults: Glow plug reliability, injector wear, fuel pump seals, radiator leaks 📚 Vehicle History Brand Heritage David Brown Legacy: David Brown Tractors Ltd. was a British agricultural machinery manufacturer renowned for its robust and innovative tractors, operating from the mid-20th century. Model Evolution 885N Series Context: The 885N was part of David Brown's influential 880/885 series, known for their versatility and reliability in farming applications. Production Production Years: Likely produced in the late 1960s to mid-1970s. Exact range depends on specific 885N variant.