Category:
Heavy-duty agricultural tractor
Key Competitors:
John Deere (e.g., 3020, 4020), International Harvester (e.g., 560, 656), Massey Ferguson (e.g., 35, 65)
Target Application:
General farm work, row crop farming, medium to heavy tillage
Traction Type:
2WD (Two-Wheel Drive)
Primary Coverage:
Allis-Chalmers D-19 & D-19 Diesel Tractors
Estimated Page Count:
400-500 pages (typical for this era and scope)
Type:
Service Manual / Repair Manual
Format:
Digital (likely PDF, searchable text)
Engine:
Diesel Engine Overhaul, Tuning, Fuel System, Lubrication, Cooling System
Transmission:
Transmission Reassembly, Clutch Service, Gearbox Maintenance, PTO Operation
Hydraulics:
Hydraulic System Service, Pump Repair, Cylinder Maintenance, Control Valve Operation
Electrical:
Wiring Diagrams, Starting System, Charging System, Lighting, Ignition (if applicable to diesel glow plugs)
Chassis:
Front Axle, Steering System, Rear Axle, Differential Service, Brakes
Power Take Off:
PTO Unit Service and Repair
Operator Controls:
Shifter Mechanisms, Pedal Adjustments
Routine Maintenance:
Oil Changes, Filter Replacements, Lubrication Points, Greasing Intervals
Troubleshooting:
Diagnostic Charts, Common Problems and Solutions for Engine, Transmission, Hydraulics
Major Repairs:
Engine Rebuild, Transmission Overhaul, Hydraulic Component Replacement
Adjustments:
Valve Clearance, Carburetor (if gas variant is mentioned), Brake Adjustment
Diagnostic Capabilities:
Detailed diagnostic procedures, common failure modes, troubleshooting flowcharts
Rebuild Instructions:
Comprehensive step-by-step instructions for complete component rebuilds with torque specifications
Schematics:
Detailed hydraulic schematics, electrical wiring diagrams
Model Diesel:
4-277 Diesel (4-cylinder)
Displacement:
277 cubic inches (4.5 Liters)
Horsepower Drawbar:
Approx. 55-60 HP (at rated RPM)
Horsepower Pto:
Approx. 65-70 HP (at rated RPM)
Torque:
Estimated 160-180 lb-ft (at peak)
Injection Type:
Direct Injection (Bosch or similar)
Oil Capacity:
Approx. 9-10 quarts (with filter)
Coolant Capacity:
Approx. 12-14 quarts
Gearbox Type:
Constant Mesh, Sliding Gear Transmission
Powershift:
Power Director (2-speed transmission splitter) optional
Number Of Gears:
8 Forward, 2 Reverse (standard)
Pto Speeds:
540 RPM PTO (standard), 1000 RPM PTO (optional)
Clutch Type:
Dual-stage clutch (for transmission and PTO engagement)
Engine Oil Change:
Every 100-120 operating hours or annually
Fuel Filter Replacement:
Every 200-250 operating hours or as needed
Air Cleaner Service:
Daily in dusty conditions, or as indicated by air cleaner restriction indicator
Transmission Oil Change:
Every 1000 operating hours or annually
Engine Oil Type:
API CD or MIL-L-2104B rated diesel engine oil, SAE 10W-30 or 15W-40 depending on ambient temperature
Hydraulic Fluid Type:
Allis-Chalmers Hy-Tran fluid or equivalent (meeting Ford M2C48-B/C specifications is often a good reference for similar era equipment)
Transmission Fluid Type:
API GL-4 Gear Lubricant, SAE 80W-90 (check manual for specific type)
Engine Wear:
Cylinder liner wear, piston ring wear, injector pump calibration, glow plug reliability
Hydraulic Performance:
Leaking seals in cylinders and pumps, worn hydraulic pump, sticky control valves
Transmission Engagement:
Clutch wear, synchromesh ring wear, PTO engagement issues
Electrical System:
Corroded connections, worn wiring insulation, starter motor issues
Manufacturer History:
Allis-Chalmers was a major American manufacturer of agricultural, construction, and industrial equipment, known for its innovation and quality.
Predecessor Models:
Successor to models like the D-17, part of the 'D' series tractor line.
Key Innovations Of D Series:
Introduction of the 'Power Director' transmission splitter, improved hydraulic systems.
Production Location:
West Allis, Wisconsin, USA
Production Years:
1958-1963