Full Specifications
NEBRASKA TRACTOR TEST 1249 2
Description
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
Bucket width
60inches / 152cm 72inches / 182cm 84inches / 213cm 96inches / 243cm
2840 SERIAL NUMBERS
Location
Serial number plate on the right side of the 2840 frame, above the front axle
1977
214909
1978
264711
1979
304654
ELECTRICAL
Ground
negative
Charging system
alternator
Batteries
2
Battery volts
12
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