Target Audience:
Farm owners, equipment operators, and independent mechanics
Vehicle Class:
Utility and row-crop tractor (2WD and optional FWD)
Key Strengths:
Reliable 4-cylinder diesel, robust 8x2 transmission, ease of maintenance
Engine:
4.0L David Brown/AS diesel, 4-cylinder, 65 HP
Transmission:
8 forward and 2 reverse gears, dry disc clutch
Hydraulics:
Draft and position control, category II three-point hitch
PTO:
Independent 540 RPM and optional 1000 RPM
General and Specifications:
Includes general information, specifications, and maintenance schedules
Engine:
Complete overhaul and repair procedures for the 4-cylinder diesel engine
Cooling System:
Radiator, water pump, thermostat, and cooling system troubleshooting
Fuel System:
Fuel tank, injection pump, injectors, and fuel lines
Exhaust System:
Exhaust manifold, muffler, and related components
Electrical System:
Wiring diagrams, starting and charging systems, lights, and instrumentation
Clutch:
Clutch adjustment, replacement, and troubleshooting
Transmission:
All gear trains, shift mechanisms, and linkage
Drive Shaft:
Drive shaft components and universal joints (where applicable)
Power Take-Off (PTO):
PTO operation, adjustment, and repair for 540 and 1000 RPM
Differential and Final Drive:
Differential, final drive gears, and axle shafts
Front Axle and Steering:
Front axle, steering gear, tie rods, and power steering system
Hydraulic System:
Hydraulic pump, lift cylinder, control valves, and three-point hitch
Brakes:
Service and parking brake systems, adjustment and repair
Wheels and Tires:
Wheel rims, tire mount/demount, and tire pressures
Fenders and Platform:
Removal and installation of sheet metal, fenders, and platform
Frame and Chassis:
Frame components and related hardware
Step-by-Step Instructions:
Numbered guide for every repair procedure
Illustrations and Photos:
Detailed drawings and photos to guide each step
Notes and Cautions:
Critical information highlighted throughout
Disassembly and Reassembly:
Based on complete disassembly of the machine
Troubleshooting:
Diagnostic procedures for mechanical and electrical problems
Wiring Diagrams:
Detailed schematics for electrical system
Torque Specifications:
Recommended tightening torques for fasteners (where provided)
Part Numbers:
Original part numbers for replacement parts
Exploded Views:
Illustrations showing parts assembly and locations
File Type:
PDF (Portable Document Format)
Compatibility:
All PC-based Windows and Mac operating systems
Software Requirements:
Adobe PDF Reader or any PDF viewer
Searchability:
Searchable if the PDF includes OCR (not guaranteed)
Printable:
All pages printable without restriction
Print Resolution:
Suitable for clear printouts (exact DPI not specified)
Binding:
Digital (no physical binding)
Paper Type:
N/A - digital product
Engine Manufacturer:
David Brown / Advanced (AS)
Engine Type:
4-cylinder diesel, naturally aspirated
Displacement:
4.0 L (243 cu in)
Bore and Stroke:
4.0 in x 4.7 in (102 mm x 120 mm)
Compression Ratio:
16.5:1
Rated Power:
65 HP (48 kW) at 2200 RPM (approx.)
Torque:
Not specified by manufacturer
Injection Pump:
CAV or comparable
Fuel Capacity:
Approx. 15-20 gallons (exact not specified)
Coolant Capacity:
Not specified
Wheelbase:
92.5 in (2350 mm)
Length:
160 in (4064 mm) [approx.]
Width:
72 in (1829 mm) (minimum, depending on tires)
Height:
To steering wheel: not specified
Curb Weight:
Approx. 5,500 lb (2,495 kg) [two wheel drive]
Weight (FWA):
Approx. 6,200 lb (2,812 kg) [if FWD option]
Ground Clearance:
Not specified
Engine Oil Change:
Every 150 hours or season (approx.)
Oil Filter Change:
At each oil change
Air Filter Cleaning:
Every 50 hours; replace as needed
Fuel Filter Replacement:
Every 500 hours (approx.)
Transmission/Hydraulic Oil Change:
Every 1,200 hours or yearly
Coolant Change:
Every 2 years or as needed
Engine Oil:
API CC/CD, SAE 30 or 10W-30 depending on temp
Transmission Oil:
SAE 20 or 30 motor oil (or equivalent)
Hydraulic Fluid:
UTF (Universal Tractor Fluid) or equivalent
Coolant:
Ethylene glycol based with corrosion inhibitors
Known Issues and Common Wear Items
Injector Nozzles:
May clog or degrade over time; replace as needed
Hydraulic Lift:
Seals may leak; check regularly
Clutch Disc:
Wears with normal use; replacement is a routine major service
Steering Linkage:
Inspect for wear and adjust periodically