Target Audience:
Owners, mechanics, and restoration enthusiasts of Allis-Chalmers D-19 Diesel tractors
Value Proposition:
Provides essential technical data to maintain and repair a classic tractor, empowering self-sufficiency and quality workmanship.
Manual Utility:
Enables efficient troubleshooting, accurate repairs, and proper maintenance, extending the operational life of the D-19 Diesel.
Engine:
Diesel engine overhaul, tuning, fuel system, lubrication, cooling, starting system
Transmission:
Gearbox operation, repair, adjustments, hydraulic clutch, PTO (Power Take-Off)
Hydraulics:
Hydraulic system operation, pump, cylinders, control valves, lift arms, troubleshooting
Electrical:
Wiring diagrams, charging system, starting system, lighting, instrumentation
Chassis And Steering:
Front axle, steering mechanism, rear axle, differential, brakes
Bodywork And Operator Station:
Fenders, seat, controls, dashboard layout
Maintenance:
Scheduled maintenance, lubrication points, filter replacement, fluid changes
Repair:
Engine rebuild, transmission overhaul, hydraulic system repair, brake service
Troubleshooting:
Diagnostic charts for common problems, symptom-based troubleshooting guides
Adjustments:
Clutch, brakes, engine timing, hydraulic controls
Depth:
In-depth mechanical and systems repair, suitable for professional mechanics and experienced owners
PDF Quality:
High resolution, suitable for printing and digital viewing, likely includes searchable text
Reproducibility:
Designed for clear reproduction, ensuring legibility of diagrams and text
Digital Binding:
N/A (Digital Download)
Digital Paper Simulation:
N/A (Digital Download)
Engine Model:
Allis-Chalmers Diesel (specific model may vary, often a Waukesha or Continental derivative)
Engine Type:
Inline Diesel, typically 4-cylinder
Horsepower Rated:
Approximately 60-70 PTO horsepower (actual may vary)
Torque Peak:
Specifications vary by specific engine variant and tuning
Injection System:
Direct Injection, typically rotary or inline injection pump (e.g., CAV, Stanadyne)
Oil Type:
API CD or MIL-L-2104B/C rated diesel engine oil (e.g., 15W-30 or 10W-30)
Coolant Type:
Ethylene Glycol based coolant with rust inhibitors
Transmission Type:
Constant Mesh Gear Transmission with High-Low range selector
Gear Speeds:
Typically 6 forward speeds and 2 reverse speeds
Power Takeoff Pto:
Live PTO and/or Independent PTO options
Clutch:
Dual-stage clutch (transmission and PTO)
Transmission Fluid:
Allis-Chalmers Hy-Trans or equivalent tractor hydraulic fluid (UTF)
Wheelbase:
Approx. 80-85 inches (varies slightly by configuration)
Operating Weight:
Approx. 4,500 - 5,500 lbs (1,800 - 2,500 kg)
Drawbar Horsepower:
Often rated around 50-55 HP
Rollover Protection:
ROPS (Roll-Over Protective Structure) may be an aftermarket addition or factory option depending on year and region
Brakes:
Internal expanding shoe brakes, often foot-operated with parking brake lock
Operator Station Design:
Designed for agricultural use, focus on operator comfort and control during its era
Engine Oil Change:
Typically every 100-200 operating hours, or annually.
Transmission Hydraulic Fluid Change:
Every 500-1000 operating hours, or annually, with filter replacement.
Air Filter Service:
Check and clean/replace as needed, typically based on operating conditions.
Engine Oil Capacity:
Approximately 10-12 quarts (9.5-11.3 liters) for diesel models, check manual for exact.
Hydraulic Transmission Fluid Capacity:
Approximately 15-20 gallons (57-76 liters) for the combined hydraulic and transmission system.
Coolant Capacity:
Approximately 15-18 quarts (14-17 liters).
Common Wear Points:
Clutch wear, hydraulic pump wear, seal leaks, starter motor issues, injector problems.
Potential Engine Problems:
Gasket failures, piston ring wear, fuel injection timing drift.
Oil Filter Example:
Wix 51515, Baldwin B2, Donaldson P550342 (cross-reference required for exact engine variant)
Fuel Filter Example:
Wix 33340, Baldwin BF7639 (cross-reference required for exact engine variant)