## David Brown 770 780 880 990 3800 4600 Vintage Tractors
### Technical Specifications:
**Engine:**
- Type: 4-cylinder diesel engine
- Capacity: 3.4 liters
- Power: 63-82 horsepower
- Torque: 180-230 Nm
- Cooling system: Water-cooled
**Transmission:**
- Type: 8-speed constant mesh gearbox
- Gear ratios: 1st: 2.57:1, 2nd: 1.76:1, 3rd: 1.25:1, 4th: 1:1, 5th: 0.82:1, 6th: 0.68:1, 7th: 0.57:1, 8th: 0.48:1
**Hydraulics:**
- Pump capacity: 28 l/min
- Pressure: 180 bar
- Number of double-acting control valves: 2
**Dimensions:**
- Length: 3.85 meters
- Width: 2.2 meters
- Height: 2.7 meters
- Weight: 3,200-4,200 kilograms
**Performance:**
- Maximum speed: 20 km/h
- Drawbar pull: 2,500-3,500 kilograms
**Features:**
- Spacious operator's cab with panoramic visibility
- Ergonomic controls for ease of operation
- Hydraulic lift system with a maximum lift capacity of 1,800 kilograms
- Differential lock for enhanced traction in challenging terrain
- Independent power take-off (PTO) shaft for powering implements
- Three-point linkage system for attaching implements
- Durable construction for longevity and reliability
### Usage and Applications:
The David Brown 770, 780, 880, 990, 3800, and 4600 tractors were highly versatile and popular choices for agricultural operations. These tractors were renowned for their ruggedness, reliability, and ability to handle a wide range of tasks, including:
- Plowing and cultivation
- Planting and harvesting
- Haymaking and baling
- Transporting materials
- Operating implements such as mowers, loaders, and sprayers
These tractors were also commonly used for industrial and construction applications, such as:
- Earthmoving and grading
- Landscaping and excavation
- Road construction and maintenance
### Impact and Legacy:
The David Brown 770, 780, 880, 990, 3800, and 4600 vintage tractors played a significant role in the mechanization of agriculture and industry. Their versatility, durability, and ease of operation made them indispensable tools for farmers and contractors alike.
Today, these tractors have become collectors' items, prized for their historical significance and nostalgic appeal. Many of these tractors are meticulously restored and preserved, showcasing the craftsmanship and engineering prowess of a bygone era.
Overall, the David Brown 770, 780, 880, 990, 3800, and 4600 vintage tractors represent an important chapter in the history of agricultural and industrial machinery. Their enduring legacy serves as a testament to their lasting impact and the enduring appeal of classic engineering.
David Brown 770 780 880 990 3800 4600 Vintage Tractor Service & Repair Workshop Manual Download PDF
Complete Factory Service Repair Workshop Manual. No Extra fees, No Expiry dates.
Service Repair Workshop Manual, available for instant download to your computer tablet or smart phone.
This Professional Manual covers all repairs, servicing and troubleshooting procedures. It is very detailed and contains hundreds of pages with detailed photos & diagrams.
This is the same type of manual used by professional Mechanics and Technicians containing step by step instructions & highly detailed exploded diagrams & pictures to show you how to complete every job correctly.
Q. Can I print out a page?
A. Yes you can print out a single page or the entire manual, its your choice.
Q. Can I use this Manual on more than one computer?
A. Yes, this Manual can be used on as many computers as required.
Q. Is this a trial or a limited version?
A. No, this is the FULL Manual without any limitations or trial periods and can be used for life.
Q, Will this Manual expire in 12 months or will I have to pay a renewal fee?
A. NO, Absolutely not! You can continue to use this Manual for life without the need to renew or pay any extra.
Q. Will this PDF Manual work on Windows & MAC computers?
A. Yes, it is fully compatible with all Windows & All MAC Computers.
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