Diesel 12-speed 2WD June 14 - 30, 1977 Link: Nebraska Tractor Test 1249 file PTO performance Drawbar performance Gear 4H used for power test Gear 2H used for pull test
Power at rated engine speed
80.65hp / 60.1kW
Fuel use
5.2gal/hour / 19.7l/hour
Power at rated PTO speed
76.27hp / 56.9kW
Max power
64.86hp / 48.4kW
Max pull
8,386lbs / 3803kg
JOHN DEERE 2840 POWER
Drawbar (tested)
64.86hp / 48.4kW
PTO (tested)
80.65hp / 60.1kW
ENGINE DETAIL
Description
John Deere diesel 6-cylinder liquid-cooled
Displacement
329ci / 5.4L
Bore/Stroke
4.02x4.33inches / 102x 110mm
Air cleaner
paper elements
Compression
17.0:1
Rated RPM
2500
Starter volts
12
Coolant capacity
5qts / 4.7L
JOHN DEERE 2840 ENGINE
Description
John Deere 5.4L 6-cyl diesel
TRANSMISSIONS OVERVIEW
Description
12-speed two-speed power shift 6-speed
TRANSMISSION 1
Transmission
Hi-Lo
Type
two-speed power shift
Gears
12 forward and 6 reverse
Clutch
dry disc
Description
Three gears (1-3) in two ranges (I/II) plus reverse (R) range with a high/low power shift
SPEEDS
Description
With 18.4-34 rear tires
TRANSMISSION 2
Transmission
sliding gear
Gears
6 forward and 3 reverse
MECHANICAL
Chassis
4x2 2WD
Final drives
planetary
Differential lock
mechanical rear
Steering
power assist
Brakes
differential hydraulic wet disc
Cab
Open operator station. Two-post Roll-Gard ROPS optional
Transmissions
12-speed two-speed power shift 6-speed
CAPACITY
Fuel
28gal / 106.0L
Hydraulic system
12.9gal / 48.8L
HYDRAULICS
Type
closed center
Capacity
12.9gal / 48.8L
Valves
2
Pump flow
23gpm / 87.1lpm
TRACTOR HITCH
Rear Type
II
Control
draft sensing
POWER TAKE-OFF (PTO)
Rear PTO
independent
Clutch
hydraulic 300mm disc
Rear RPM
540/1000
JOHN DEERE 2840 TIRES
Ag front
7.50-18
Ag rear
15.5-38/16.9-38
DIMENSIONS
Wheelbase
97inches / 246cm
Length
160inches / 406cm
Width
90inches / 228cm
Height (steering wheel)
74inches / 187cm
Operating weight
8700lbs / 3946kg
Ballasted weight
10500lbs / 4762kg
Clearance (front axle)
21inches / 53cm
Rear axle
Rack-and-pinion
Front tread
69 to 94inches / 175to 238cm (wide axle)
Rear tread
61 to 90inches / 154to 228cm *ROPS or fenders limit minimum tread to 68 inches
DIMENSIONS & TIRES
Wheelbase
97inches / 246cm
Weight
8700lbs / 3946kg
Front tire
7.50-18
Rear tire
18.4-34
JOHN DEERE 148 LOADER
Loader weight
1350lbs / 612kg
Height (to pin)
126inches / 320cm
Clearance, dumped bucket
102inches / 259cm
Dump reach
32inches / 81cm
Dump angle
38°
Clearance, level bucket
121inches / 307cm
Rollback angle
11°
Breakout force (lift)
4700lbs / 2131kg
Lift to full height (at pin)
3100lbs / 1406kg
Bucket capacity
0.5cu yd / 0.4 cu m / 0.6cu yd / 0.5cu m / 0.8cu yd / 0.6cu m/ 0.9cu yd / 0.7cu m