The Allis-Chalmers D-19, produced approximately from 1959 to 1963, represents a robust and versatile tractor designed for demanding agricultural tasks. As part of Allis-Chalmers' esteemed 'D' series, the D-19 built upon a legacy of durable engineering, offering significant horsepower for its time, a powerful power take-off (PTO) system, and substantial hydraulic lift capacity. This model was positioned as a strong competitor in the medium to heavy-duty tractor market, known for its reliability and operator-focused design. Its substantial build, including an approximate operating weight of 5,500-6,500 lbs and a wheelbase of around 84 inches, underscores its capability for fieldwork.
This comprehensive factory service repair manual provides essential information for the maintenance and repair of the Allis-Chalmers D-19. It covers all major systems, including the engine, transmission, hydraulics, electrical system, steering, brakes, axles, PTO, cooling, fuel, lubrication, chassis, and bodywork. Detailed procedures for scheduled maintenance, lubrication, fluid changes, and component overhauls are included, alongside troubleshooting guides and diagnostic charts to address common issues. The manual is written in English and is intended for owners, mechanics, and technicians, offering the in-depth technical specifications and step-by-step instructions necessary to ensure the D-19's continued performance and longevity.
Product Type:
Factory Service Repair Manual
Market Position:
The Allis-Chalmers D-19 was a powerful and versatile tractor positioned for medium to heavy-duty farm work, competing with similar models from John Deere, International Harvester, and Ford in the late 1950s and early 1960s.
Competitive Analysis:
The D-19 offered a robust engine and a capable hydraulic system, making it a strong contender in its class. Its design focused on durability and operator comfort for its time.
Key Features:
Significant horsepower for its era, a robust power take-off (PTO) system, and a well-regarded hydraulic lift capacity.
Systems Covered:
Engine, Transmission, Hydraulics, Electrical System, Steering, Brakes, Front Axle, Rear Axle, PTO, Cooling System, Fuel System, Lubrication System, Chassis, Bodywork, Implement Control
Page Count:
Specific page count not provided in product description, but typical factory service manuals for this era are comprehensive, often exceeding 500 pages.
Manual Type:
Factory Service Repair Manual
Format:
Likely printed manual, potentially available as a PDF.
Engine:
Detailed information on the Allis-Chalmers 251 cubic inch (4.1 L) D-19 engine, including disassembly, inspection, assembly, specifications, and troubleshooting.
Transmission:
Covers the constant mesh transmission, including gear shifting mechanisms, clutch, and power take-off (PTO) engagement.
Hydraulics:
Comprehensive coverage of the hydraulic system, including the hydraulic pump, control valves, lift cover, cylinders, and hydraulic fluid specifications and maintenance.
Electrical System:
Detailed wiring diagrams, component testing, troubleshooting for the ignition, lighting, starting, and charging systems.
Maintenance:
Scheduled maintenance tasks, lubrication points, fluid level checks, filter replacement, and general upkeep procedures.
Repair:
Step-by-step repair procedures for all major components, including engine overhauls, transmission repairs, hydraulic system servicing, and axle rebuilds.
Troubleshooting:
Diagnostic charts and step-by-step troubleshooting guides for identifying and resolving common operational issues.
Technical Depth:
Advanced diagnostic procedures, detailed disassembly and assembly instructions, precision measuring techniques, and component tolerance specifications suitable for professional mechanics and experienced DIY users.
File Format:
If PDF, typically a high-resolution scan or digital reproduction, ensuring readability of text and diagrams.
Print Quality:
For printed manuals, expect clear printing with legible diagrams and text. For digital, high-resolution scans are crucial.
Binding Type:
Printed manuals often feature a durable binding suitable for shop use, such as spiral-bound, perfect-bound, or a three-ring binder format.
Paper Type:
For printed manuals, typically sturdy paper stock designed to withstand shop environments.
Engine Model:
Allis-Chalmers 251 (or similar variant)
Engine Type:
Direct Injection Diesel
Displacement:
251 cubic inches (4.1 liters)
Bore X Stroke:
Specifics vary by exact engine build, but typically around 4.25" x 4.75"
Horsepower:
Rated approximately 65-70 PTO horsepower (engine horsepower slightly higher).
Torque:
Specific torque figures are less commonly published for this era, but the engine provided substantial pulling power.
Injection System:
Bosch or equivalent direct injection system.
Fuel Filter Part Number:
Refer to manual for specific part numbers, but common aftermarket equivalents exist.
Transmission Type:
Constant Mesh Gearbox
Number Of Speeds:
Typically 6 forward and 2 reverse gears (some variants may differ).
Clutch Type:
Double-clutch system (one for transmission, one for PTO).
Power Take Off Pto:
Standard 540 RPM PTO, operated by a separate clutch lever.
Transmission Fluid Type:
Refer to manual for specific Allis-Chalmers specifications, typically a high-quality tractor hydraulic fluid (e.g., UTF or equivalent).
Overall Length:
Approximately 130 inches (330 cm) without implements.
Overall Width:
Varies with rear tire size, typically around 70-80 inches (178-203 cm).
Operating Weight:
Approximately 5,500 - 6,500 lbs (2,495 - 2,950 kg).
Wheelbase:
Approximately 84 inches (213 cm).
Safety Ratings:
Tractors of this era did not have standardized crash test ratings as seen in modern automobiles. Safety features were operator-centric.
Brakes:
Mechanical, self-energizing band brakes acting on the final drive pinions. Foot-operated, independent or combined.
Operator Station:
Open station design with operator controls positioned for accessibility. Seat designed for operator comfort and control engagement.
Infotainment Features:
None (basic tractor functionality).
Driver Assistance Features:
None (basic tractor functionality).
Connectivity Features:
None (basic tractor functionality).
Engine Oil Change:
Typically every 100 operating hours or annually, refer to manual for exact intervals. Oil capacity approx. 9 quarts.
Transmission Fluid Change:
Typically every 500-1000 operating hours, or as specified by the manual. Fluid capacity varies by transmission configuration.
Hydraulic Fluid Change:
Typically every 500-1000 operating hours, or as specified by the manual. Fluid capacity approximately 10 gallons.
Engine Oil Specification:
API CD or equivalent, SAE 30 or 10W-30 depending on temperature. Refer to manual for precise recommendation.
Hydraulic Fluid Specification:
Allis-Chalmers HF-7 or equivalent tractor hydraulic fluid. Must be compatible with wet brakes.
Known Issues:
Common issues can include wear on transmission gears and synchronizers, hydraulic pump wear leading to slow lift, and electrical component corrosion due to age. Steering box wear is also common.
Preventative Maintenance Focus:
Regular lubrication, timely fluid and filter changes, and keeping electrical connections clean are crucial for longevity.
Brand Heritage:
Allis-Chalmers was a prominent American manufacturer of agricultural and industrial machinery, known for its innovative designs and durable products.
Model Evolution:
The D-19 was part of Allis-Chalmers' successful 'D' series of tractors, building upon previous designs and offering increased power and features. It was a significant model in their lineup during the late 1950s.
Production Years:
Approximately 1959-1963.
Manufacturing Location:
West Allis, Wisconsin, USA.
Recognitions:
Tractors of this era were not typically subjected to consumer awards in the modern sense. Their recognition came through performance and reliability in the field.
