MANUFACTURER MODEL |
John Deere 6403 |
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| Official Test |
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Nebraska Test Number |
Nebr. OECD 1908, Summary #374 (2002) |
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| Engine |
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Manufacturer |
John Deere |
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Aspiration |
Turbocharged |
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Cylinders/Displacement, cu. in. (liters) |
4/276 (4.5) |
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Cylinder Liners |
Wet |
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Fuel Tank Cap., US Gal. (L) (Open; Cab) |
--- |
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Standard |
41.7 (158) |
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Optional |
--- |
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Underhood muffler |
--- |
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| Performance |
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Advertised PTO HP (kW) @ Rated RPM |
85.0 (63.4) @2100 |
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Official PTO HP (kW) @ Rated RPM |
86.77 (64.70) @ 2100 |
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@ Standard PTO @ Eng RPM |
88.09 (65.69) @ 2066 |
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Maximum @ Eng RPM |
89.43 (66.69) @ 1900 |
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Advertised Engine HP (kW) @ Rated Speed |
98 (73) @ 2100 |
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Max Unballast Drwbr HP (kW) @ Eng RPM |
75.16 (56.05) @ 1904 |
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Maximum Torque (PTO) @ RPM, lb-ft (Nm) |
266 (360) @ 1648 |
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Max Torque Rise (80% Rtd Spd) @ Eng RPM |
22% @ 1701 |
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Maximum Torque Rise % (PTO) @ Eng RPM |
22.5% @ 1648 |
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| Fuel Use, U.S. gal./hr. & HP hr./gal. at: |
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PTO @ Rated Eng RPM |
5.13 (19.42) & 16.90 (3.33) @ 2100 |
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Standard PTO Speed @ Eng Speed |
5.17 (19.57) & 17.05 (3.36) @ 2066 |
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Maximum PTO Power @ Eng RPM |
5.05 (19.11) & 17.70 (3.49) @ 1900 |
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Maximum Engine Power @ Eng RPM |
5.18 (19.61) & 14.06 (2.77) @ 2098 |
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Max Unballasted Drawbar Power @ Eng RPM |
5.19 (19.64) & 14.16 (2.79) @ 2096 |
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75% Load, Full Engine RPM (Unballasted) |
4.47 (16.92) & 13.17 (2.59) @ 2188 |
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75% Load @ Reduced RPM (Unballasted) |
4.04 (15.29) & 14.58 (2.87) @ 1769 |
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| Transmission |
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Std. Transmission; Forward/Reverse |
Top Shaft Syncronized 9/3 |
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Opt. Transmission; Forward/Reverse |
--- |
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Reverser |
--- |
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On-the-Go Shifting (Yes/No/Partial) |
Partial |
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Clutch; Wet/Dry |
Dry |
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Creeper |
--- |
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| Power Take-Off (PTO) |
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Standard |
Independent 540/1000 |
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Optional |
--- |
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PTO Speeds @ Engine RPM |
--- |
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PTO Actuation |
--- |
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| Hydraulics |
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Type |
Open-Center |
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Pump Rated Output, GPM (L/min.) |
--- |
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Standard |
12.0 (45.4) |
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Optional |
--- |
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Rated Flow @ One SCV, GPM (L/min.) |
13.4 (50.7) |
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Max Output @ SCV Couplers, GPM (L/min.) |
--- |
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Maximum Operating Pressure, PSI (kPa) |
2750 (18,961) |
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Maximum Hydraulic Power, HP (kW) |
18.6 (13.8) |
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Hitch Draft Control Load Sense Type |
--- |
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Remote Control Valves Available |
2 std., 3 opt. |
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Hitch Category (SAE Designation) |
Category II |
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Hitch Lift Cap. lb. (kg) @24"Bhnd Lift Pt. |
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Standard |
4828 (2190) |
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Optional |
--- |
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OECD |
--- |
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Sensing Type |
Mechanical |
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Joystick SCV Control |
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Hitch Lift Cap. lb. (kg) @24"Bhnd Lift Pt. (ASAE) |
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Optional |
--- |
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Standard |
--- |
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Hitch Lift Cap. lb. (kg) @24"Bhnd Lift Pt. (SAE) |
--- |
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Optional |
--- |
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Standard |
--- |
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| Final Drive |
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Type |
Inboard Planetary |
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Differential Controls |
Mechanical |
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Availability |
--- |
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Front |
--- |
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Front & Rear |
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Engage On-the-Go Rear Differential Lock |
Yes |
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Axle Type |
--- |
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Brakes, Type and Control |
--- |
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| Operator Station |
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Rollover Protective Structure, OOS |
--- |
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Rigid - Foldable - Telescopic |
--- |
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Platform - Flat/Straddle |
--- |
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Gearshift Location - Console/Floor |
--- |
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Cab |
--- |
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Doors |
2 |
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Platform - Flat/Straddle |
Flat |
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dB(A) Rating |
82 |
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Seat Suspension System |
Mechanical |
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| 2WD Dimensions |
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Wheelbase, in. (mm) |
91.3 (2318) |
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Front Tread Range, in. (mm) |
58.7-80.4 (1491-2041) |
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Rear Tread Range, in. (mm) |
59.5-79.4 (1512-2016) |
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Minimum Rear Tread Setting, in. (mm) |
--- |
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Front Axle Clearance, in. (mm) |
--- |
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Turning Radius w/Brakes, ft. (m) |
--- |
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Turning Radius w/o Brakes, ft. (m) |
--- |
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Unballasted Operating Weight, lb. (kg) |
7916 (3590) |
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Approx. Ship Wgt, lb. (kg) Open; Cab |
7916 (3590) |
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| MFWD Dimensions |
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Wheelbase, in. (mm) |
91.0 (2310) |
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Front Tread Range, in. (mm) |
59.7-79.4 (1516-2016) |
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Front Axle Clearance, in. (mm) |
--- |
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Turning Radius w/Brakes, ft. (m) |
--- |
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Turning Radius w/o Brakes, ft. (m) |
--- |
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Limited Slip Differential |
--- |
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Unballasted Operating Weight, lb. (kg) |
8534 (3870) |
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Approx. Ship Wgt, lb. (kg) Open; Cab |
8534 (3870) |
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| 4WD Dimensions |
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Wheelbase, in. (mm) |
--- |
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Wheel Tread, Min. to Max. in. (mm) |
--- |
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Turning Radius w/o Brakes, ft. (m) |
--- |
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Nebraska Test Unballasted w/Duals, lb.(kg) |
--- |
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Unballasted Weight, lb. (kg) |
--- |
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| Standard Tires |
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2WD |
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Front |
10.00-16 in., 6 PR F2 |
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Rear |
18.4-34 in., 8 PR R1 |
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MFWD |
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Front |
13.6-24 in., 6 PR R1 |
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Rear |
18.4-34 in., 8 PR R1 |
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4WD |
--- |
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Track Widths |
--- |
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| Miscellaneous |
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Country of Manufacture |
Saltillo, Mexico |
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Ballasting Restrictions, lb. (kg) |
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