David Brown 880 Implematic

The David Brown 880 Implematic is a tractor produced by David Brown. It is equipped with a 154 ci 2.5 L engine. The listed engine power is 40.42 hp 30.1 kW. Transmission: 12 forward and 4 reverse. Operating weight: 4,315 lbs 1957 kg.

Engine Power

40.42 hp 30.1 kW

Fuel & Capacities

Diesel

Transmission

12 forward and 4 reverse

Operating Weight

4,315 lbs 1957 kg

Overview

	1961 - 1971 Model year 1961-19651965-1971 Utility tractor

Production
Manufacturer	David Brown
Utility tractor
Built in Meltham Mills, Huddersfield, England
Original price	$4,600 (1965)
The David Brown 880 had three major versions during its 10-year production run. The first tractors were the 880 Implematic, also called the 880C/D. In 1964, the 3-cylinder engine replaced the 4-cylinder. These tractors were the 880E/F models. The paint scheme and hydraulic system were changed in 1965, with the 880 Selectamatic, also called the 880A/B.

David Brown 880 Power
Drawbar (claimed)	35 hp 26.1 kW
PTO (claimed)	40 hp 29.8 kW
Drawbar (tested)	34.55 hp 25.8 kW
PTO (tested)	40.42 hp 30.1 kW
Performance test details ...

Mechanical
Two-wheel drive
Open operator station.

Tractor hitch
Rear Type	I/II
Rear lift	2,646 lbs 1200 kg

Power Take-off (PTO)
Rear PTO	live (2-stage clutch)
Rear PTO Type	540/1000

Dimensions & Tires
Weight	4,315 lbs 1957 kg
Front tire	6.00-16
Rear tire	13.6-28
Full dimensions and tires ...

Links
DB 880: Restoration information and specifications on the 880C Implematic

Electrical
Ground	negative
Battery volts	12

Engine

Engine options
David Brown 2.7L 4-cyl diesel
David Brown 2.5L 3-cyl diesel

Engine Detail — 165 ci / 2.7 L Diesel

Manufacturer	David Brown
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	165 ci 2.7 L
Bore/Stroke	3.625x4.00 inches 92 x 102 mm
Rated RPM	1800
Oil capacity	6.5 qts 6.2 L

Engine Detail — 154 ci / 2.5 L Diesel

Manufacturer	David Brown
Fuel Type	Diesel
Configuration	3-cylinder, liquid-cooled
Displacement	154 ci 2.5 L
Bore/Stroke	3.8125x4.50 inches 97 x 114 mm
Fuel use	2.648 gal/hour 10.0 l/hour
Air cleaner	oil bath
Compression	17:1
Rated RPM	2200
Starter volts	12
Coolant capacity	12 qts 11.4 L

Transmission

Transmission options
6-speed
12-speed

Transmission — 6 forward and 2 reverse

Gears	6 forward and 2 reverse

Transmission — 12 forward and 4 reverse

Gears

12 forward and 4 reverse

Dimensions

David Brown 880 Tires
Ag front	6.00-16
Ag rear	13.6-28

Dimensions
Length	115 inches 292 cm
Width	64 inches 162 cm
Height	52.625 inches 133 cm
Operating weight	4,315 lbs 1957 kg
Ballasted weight	6,645 lbs 3014 kg

Tests

Nebraska Tractor Test 902
Diesel 6-speed 2WD June 14 - 19, 1965 Link: Nebraska Tractor Test 902 file
PTO performance
Power at rated engine speed	40.42 hp 30.1 kW
Fuel use	2.6 gal/hour 9.8 l/hour
Power at rated PTO speed	38.60 hp 28.8 kW
Fuel use	2.4 gal/hour 9.1 l/hour
Drawbar performance
Max power	34.55 hp 25.8 kW
Gear 3 used for power test.
Max pull	5,018 lbs 2276 kg
Gear 1 used for pull test.

Photos

David Brown 880 Implematic

Late 1965 model David Brown 880 Implematic with three-cylinder engine.

David Brown 990 Implematic plowing.

Recommended Implements & Sizing Guide

Engineering recommendations for David Brown 880 Implematic based on its 40.42 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm)	Medium Duty	Standard utility farm tillage.
Rotary Cutter / MowerMowing & Clearing	6 ft (72 in)1.8 m	Medium Duty	Medium pasture clearing; rear slip-clutch recommended.
Rotary TillerSeedbed Prep	66 to 72 in165 - 180 cm	Medium Duty	Standard utility tiller; slip clutch protection required.
Disc HarrowSecondary Tillage	7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙	Medium Duty	Field leveling and clod breaking behind plows.
Hay BalerHay & Forage	Small Square Baler (14x18")小方捆打捆机 (36x46 cm)	Medium Duty	Classic 2-string baler for horse and small livestock hay.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for David Brown 880 Implematic.

Estimated Continuous Field Runtime: 1.1 hrs

Approximately 1.1 hours of continuous field operation at ~75% rated power on a full tank (2.4 gal / 9.1 L).

Estimated 75% Load Fuel Burn~2.1 gal/hr (8 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours