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John Deere 990

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John Deere 990
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John Deere 990 VS
Farm Tractors
Production
Model Year 2000  
Production Manufacturer Yanmar  1.6% Farm Tractors have Yanmar
Factory Japan 
Distributor John Deere 
Capacity
Capacity Fuel
8.5 gal
70.35 gal
Hydraulic system
5.5 gal
19.42 gal
Power Take-off (PTO)
Rear RPMs
540 
608.25
Rear PTO Live (two-stage Clutch)  1.5% Farm Tractors have live (two-stage clutch)
Mechanical
Mechanical Steering Power  8.2% Farm Tractors have power
Chassis 4x2 2wd  12.3% Farm Tractors have 4x2 2WD
Brakes Wet Disc  40.8% Farm Tractors have wet disc
Cab Two-post Rops. 
Engine
Engine Fuel Diesel  87.6% Farm Tractors have diesel
Engine Type Yanmar 4tne84  0.2% Farm Tractors have Yanmar 4TNE84
Engine Aspiration Natural  25.8% Farm Tractors have Natural
Engine Cylinders
4.46
Engine Bore/Stroke 3.31x3.54 Inches [84 X 90 Mm] 
Engine Displacement
121.7 ci
306.10 ci
Engine Cooling Liquid  86% Farm Tractors have Liquid
Engine Compression 18:1  
Engine Rated RPMs
2700 
2,340
Engine Starter volts
12 
12.58
Engine Air cleaner Dry 
Engine Oil capacity
5.6 qts
16.93 qts
Engine Power
40.4 hp
129.14 hp
Engine Coolant
6.1 qts
23.79 qts
Engine Starter power
2.7 hp
3.63 hp
Engine Idle RPMs 925-2875  
Transmission
Transmission Type Partially Synchronized  8.2% Farm Tractors have partially synchronized
Transmission Comments Three Gears (1-3) Plus Reverse In Three Ranges (a-c). Gears May Be Shifting On The Move By Using The Clutch. The Tractor Must Be Stopped To Shift Ranges. 
Transmission Oil capacity
22 qts
58.78 qts
Transmission Transmission Collar Shift 
Transmission Gears
9 forward
15.13 forward
Transmission Speeds With 14.9-24 Rear Tires. 
Dimensions
Wheelbase
68.9 inches
94.33 inches
Length
123 inches
161.96 inches
Front tread 48.2 Inches [122 Cm] (2wd)53.6 Inches [136 Cm] (4wd) 
Rear tread
46.2 inches
48.50 inches
Height (ROPS)
84.2 inches
94.14 inches
Height (hood)
54 inches
65.40 inches
Drawbar capacity
825 lbs
3,306 lbs
Front axle load
5513 lbs
5,414 lbs
Rear axle load
5292 lbs
12,710 lbs
Hydraulics
Hydraulics Type Open Center 
Pressure
2262 psi
2,737 psi
Pump flow
8.5 gpm
19.46 gpm
Capacity (cu. ft.)
5.5 gal
19.42 gal
Total flow
13 gpm
24.65 gpm
Steering flow
4.5 gpm
6.84 gpm
Loader
Loader Loader type John Deere 430 
Loader Height (to pin)
101.9 inches
116.70 inches
Loader Dump clearance
78.3 inches
90.98 inches
Loader Dump reach
25.3 inches
29.88 inches
Loader Dump angle
45 
49.06
Loader Lift to full height (at pin)
1102 lbs
2,412 lbs
Loader Lift to full height (at 500mm)
915 lbs
1280.09 lbs
Loader Bucket width
61 inches
65.92 inches
Loader Reach at ground
51.2 inches
72.73 inches
Loader Breakout force (at pin)
3285 lbs
3,719 lbs
Loader Breakout force (at 500mm)
2306 lbs
2,362 lbs
Loader Raise time to height
3.9 s
4.33 s
Loader Bucket dump time
1.8 s
2.75 s
Loader Lowering time
3 s
3.16 s
Loader Rollback time
2 s
2.74 s
Loader Rollback, raised
64 
67.25
Loader Lift to 1.5m (at pin)
1943 lbs
3,343 lbs
Loader Lift to 1.5m (at 500mm)
1724 lbs
1392.82 lbs
Rollback at ground
30 
24.50
Backhoe
Backhoe Backhoe type John Deere 8b 
3-Point Hitch
Rear Type
26.5% Farm Tractors have I
Rear lift (at 24"/610mm)
1573 lbs
6,099 lbs
Power
PTO (claimed)
35 hp
112.68 hp
Engine (gross)
40.4 hp
95.15 hp
Engine (net)
38.5 hp
128.22 hp
Electrical
Ground Negative 
Charging system Alternator 
Charging amps
20 
111.12
Tires
Ag front
6.5-16 (2WD) 
0.3% Farm Tractors have 6.5-16 (2WD)
Ag rear
14.9-24 
24.79
Battery
Volts
12 
12.00
Number
1.65
Cold-cranking amps
650 
838.52

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