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Triumph

Triumph Herald 1200 12-50 1959-1971 Workshop Service Repair Manual

Triumph Herald 1200 12-50 1959-1971 Workshop Service Repair Manual

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$16.99
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Vehicle data plateRef 463320
Brand
Triumph
Vehicle
Cars
Models covered
Herald, Herald 12-50, Herald 1200
Years
1959, 1960, 1961, 1962, 1963, 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

What happens after you pay

  • Download link opens on the order page immediately
  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
Triumph
Model:
Herald
Model Variants:
1200, 12-50
Production Years Covered:
1959-1971
Generation
Herald Generation:
First Generation (1959-1971)
👋 Introduction
Market Position
Target Audience:
Professional technicians and DIY enthusiasts
Competitive Analysis
Manual Advantage:
Authentic factory information, comprehensive coverage
Key Features
Digital Format Benefit:
Instant download, no shipping, clean workspace (print only needed sections)
Accuracy:
Written by manufacturers, considered most accurate and complete available
📋 Manual Details
Coverage Areas
Coverage Scope:
Workshop Service Repair
Page Count
Estimated Page Count:
Hundreds of pages (specific count not provided, but described as extensive)
Manual Type
Manual Type:
Workshop Service Manual / Repair Manual
Language
Language:
English
Format
File Format:
PDF
Delivery Method:
Instant Download
Requirements
Software Requirements:
Adobe PDF Reader & WinRAR
Operating System Compatibility:
All Versions of Windows & Mac
📖 Manual Coverage
Systems Covered
Engine:
Yes (Overhaul procedures mentioned)
Transmission:
Yes (Implied within general repair and overhaul)
Electrical System:
Yes (Wiring diagrams usually included)
Brakes:
Yes (Implied within general repair and maintenance)
Suspension:
Yes (Implied within general repair and maintenance)
Steering:
Yes (Implied within general repair and maintenance)
Bodywork And Chassis:
Yes (Implied within general repair and maintenance)
Fuel System:
Yes (Implied within engine overhaul and maintenance)
Cooling System:
Yes (Implied within engine overhaul and maintenance)
Clutch:
Yes (Implied within transmission and engine overhaul)
Exhaust System:
Yes (Implied within engine overhaul and maintenance)
Fuel Delivery:
Yes (Fuel pump, lines, carburetor service)
Ignition System:
Yes (Distributor, coil, spark plugs, leads)
Wheel Alignment:
Yes (Crucial for handling due to independent suspension)
Procedures Included
Routine Maintenance:
Yes (Periodic maintenance charts)
Step By Step Repair:
Yes
Troubleshooting:
Yes
Overhaul:
Yes (Specifically engine overhaul mentioned)
Diagnostics:
Yes
Troubleshooting Guides:
Yes (Specific charts and guides for diagnosing issues)
Technical Depth
Depth Level:
Comprehensive (Suitable for professional technicians and DIY mechanics)
📊 Manual Specifications
File Format
File Type:
PDF
Print Quality
Printability:
Full Printable
Zoom Capability:
Zoom IN/OUT
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Type:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine Type:
Inline 4-cylinder (OHV)
Engine Displacement 1200:
1200 cc (approx. 73.2 cubic inches)
Engine Displacement 12-50:
1296 cc (approx. 79.1 cubic inches)
Performance
Horsepower 1200:
Approx. 40-42 bhp at 4,000 rpm
Horsepower 12-50:
Approx. 45-47 bhp at 4,200 rpm
Torque 1200:
Approx. 65-70 lb-ft at 2,000 rpm
Torque 12-50:
Approx. 70-75 lb-ft at 2,200 rpm
Fuel System
Carburetor 1200:
Single Zenith 36IV or SU H2
Carburetor 12-50:
Twin SU HS2
🔧 Transmission
Standard
Transmission Type Standard:
4-speed manual
Optional
Transmission Type Optional:
Laycock de Normanville overdrive (available on some models, often designated by '-50' in model names, though the '12-50' specifically refers to the engine capacity increase, not always overdrive as a primary identifier for that model.
Features
Gearbox Layout:
Remote-controlled gear change
📐 Dimensions
Exterior
Wheelbase:
Approx. 82 inches (2083 mm)
Length:
Approx. 151.75 inches (3854 mm)
Width:
Approx. 60.75 inches (1543 mm)
Height:
Approx. 50 inches (1270 mm) to roofline
Weights
Kerb Weight:
Approx. 1740 - 1850 lbs (790 - 840 kg) depending on body style and equipment
🛡️ Safety Features
Ratings
Safety Era Context:
Designed in an era with different safety standards than modern vehicles. Features such as crumple zones and airbags were not prevalent. Seat belts were often optional.
Active Features
Brakes Type:
Front: Disc brakes (Girling 7" discs); Rear: Drum brakes
Passive Features
Chassis Design:
Integrated body-chassis construction (monocoque), but with a separate outrigger frame for structural rigidity and mounting of components.
💡 Technology Features
Infotainment
Infotainment Features:
Basic radio, if fitted. No modern infotainment systems.
Driver Assistance
Driver Assistance Features:
None. Designed before the era of electronic driver aids.
Connectivity
Connectivity Features:
None.
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically every 3,000 miles or 6 months (refer to manual for exact specification based on oil type)
Grease Points:
Regular lubrication of kingpins, shackle pins, and other suspension/steering components is critical. Intervals typically 1,000-3,000 miles.
Fluid Specifications
Engine Oil Type:
API SF/CD or equivalent, viscosity grade typically 20W-50 or 20W-40 (consult manual for precise recommendation).
Coolant Type:
Ethylene glycol based antifreeze/coolant mixture, typically 50/50 with distilled water.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Gearbox Oil Type:
GL4 Hypoid Gear Oil, SAE 90 (for manual gearbox); OD gearbox would require specific OD fluid.
Rear Axle Oil Type:
GL5 Hypoid Gear Oil, SAE 90 (or as specified for non-limited slip differential)
Known Issues
Rust And Corrosion:
Common for vehicles of this era, particularly sills, wheel arches, and floor pans.
Overheating:
Can occur due to aging radiators, worn water pumps, or incorrect coolant levels.
Carburetor Tuning:
SU carburetors require regular adjustment and balancing.
Suspension Wear:
Wear in rubber bushings, ball joints, and kingpins can lead to steering looseness and poor handling.
Electrical Gremlins:
Aging wiring harnesses and connections can lead to intermittent electrical faults.
📚 Vehicle History
Brand Heritage
Triumph Legacy:
Part of the Standard-Triumph group, known for innovative engineering and stylish designs in the post-war British automotive industry.
Model Evolution
Herald Design Philosophy:
Designed by Giovanni Michelotti, known for its distinctive styling, independent suspension on all wheels, and ease of maintenance with easily removable body panels.
Herald Significance:
Pioneered independent suspension on all wheels in its class and used a unique body-on-frame construction with bolted-on panels, allowing for easier repair and body style variations.
Production
Production Variants:
Offered in Saloon, Coupe, Convertible, Estate Car (Van), and Triumph Vitesse variants (with a more powerful 6-cylinder engine, not covered by this manual).

Delivery & file format

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Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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