Challenger MT685D Specs ( 2011-2013 )
Overview
The Challenger MT685D is a row-crop farm tractor manufactured between 2011 and 2013 in Jackson, Minnesota, featuring an 8.4L 6-cylinder AGCO Power diesel engine. It is equipped with a Techstar continuously variable transmission, a 4WD chassis with Quadlink suspension, and a closed center load sensing hydraulic system with a total flow of 46 gpm.
Ideal Applications
Production
| Description | Row-Crop tractor / Built in Jackson, Minnesota, USA / Original price was $335,497 in 2014 |
|---|---|
| Manufacturer | Challenger (a part of AGCO) |
Engine
| Engine type | AGCO Power 8.4L 6-cyl diesel |
|---|---|
| Bore/Stroke | 4.370x5.709 inches (111 x 145 mm) |
| Compression | 16.7:1 |
| Description | AGCO Power / turbocharged air-to-air intercooled diesel / 6-cylinder / liquid-cooled |
| Displacement | 513.8 ci (8.4 L) |
| Emission control | selective catalytic reduction (SCR) |
| Emissions | Interim Tier IV |
| Fuel system | electronic high-pressure common rail |
| Maximum Power | 370 hp (275.9 kW) |
| Power (gross) | 340 hp (253.5 kW) |
| Pre-heating | thermostart |
| Rated RPM | 2100 |
| Starter | electric |
| Starter volts | 12 |
| Drawbar (tested) | 245.7 hp (183.2 kW) |
| Engine (gross) | 340 hp (253.5 kW) |
| PTO (claimed) | 290 hp (216.3 kW) |
| PTO (tested) | 333.2 hp (248.5 kW) |
Transmission
| Description | continuously variable transmission |
|---|---|
| Gears | infinite forward and reverse |
| Transmission | Techstar CVT |
| Type | continuously variable transmission |
Mechanical
| Cab | Cab standard with air-conditioning and OptiRide Plus hydraulic suspension AGCO System 150 (optional); AGCOMMAND (optional) |
|---|---|
| Description | Hydraulic wet disc brakes |
| Differential lock | electro-hydraulic |
| Drive type | Four-wheel drive |
| Final drives | inboard planetary |
| Steering | hydrostatic power |
| Trailer brakes | pneumatic (optional) |
Capacity
| Exhaust fluid (DEF) | 16 gal (60.6 L) |
|---|---|
| Fuel | 167 gal (632.1 L) |
| Hydraulic system | 29.1 gal (110.1 L) |
Hydraulics
| Capacity | 29.1 gal (110.1 L) |
|---|---|
| Pressure | 2900 psi (200.0 bar) |
| SCV flow | 26.4 gpm (99.9 lpm) |
| Total flow | 46 gpm (174.1 lpm) |
| Type | closed center load sensing (CCLS) |
| Valves | 4 to 6 |
Hitch
| Drawbar | Cat. 3 |
|---|---|
| Front Hitch | Cat III (optional) |
| Front lift (at ends) | 11000 lbs (4989 kg) |
| Rear lift | 22760 lbs (10323 kg) |
| Rear Type | Cat III |
PTO
| Clutch | electro-hydraulic |
|---|---|
| Engine RPM | 540E@1577 |
| Rear PTO | independent |
| Rear PTO Type | 1000/1000E (1.75) |
Electrical
| Batteries | 2 |
|---|---|
| Battery volts | 12 |
| Charging amps | 240 |
| Charging system | alternator |
| Ground | negative |
Dimensions & Tires
| Standard tires (ag) | Front: 480/70R34. Rear: 520/85R46 |
|---|---|
| Front axle | 4WD / 4WD Quadlink Suspension |
| Height (cab) | 141 inches (358 cm) |
| Length | 215.7 inches (547 cm) |
| Max weight | 33070 lbs (15000 kg) |
| Rear axle | 4.33 by 105 inches (109 by 2667 mm) / 4.33 by 118 inches (109 by 2997 mm) |
| Shipping weight | 24250 lbs (10999 kg) |
| Wheelbase | 122 inches (309 cm) |
| Front tire | 480/70R34 |
| Rear tire | 520/85R46 |
| Weight | 24250 lbs (10999 kg) |
| Wheelbase | 122 inches (309 cm) |
OCED Tractor Test 2722
| Description | Diesel Techstar CVT 4WDJanuary 2012 - July 2012, Link: OCED Tractor Test 2722 file / PTO performance / Drawbar performance / Pull at 8.92 KPH / Pull at 5.26 KPH |
|---|---|
| Fuel use | 17.6 gal/hour (66.6 l/hour) / 16.8 gal/hour (63.6 l/hour) / 17.6 gal/hour (66.6 l/hour) / 16.5 gal/hour (62.5 l/hour) |
| Max power | 333.2 hp (248.5 kW) / 245.7 hp (183.2 kW) |
| Max pull | 25170 lbs (11417 kg) |
| Power at rated engine speed | 305.4 hp (227.7 kW) |
| Power at rated PTO speed | 331.0 hp (246.8 kW) |
References
| Description | Challenger MT600D Series published in 2011, by AGCO |
|---|
Variants
| 8690 | similar Massey Ferguson model |
|---|
Nebraska Tractor Test Results
Test #876This section is compiled from original Nebraska Tractor Test PDFs using AI-assisted extraction and human review. For full verification, download the source PDF above. Differences between reports, incomplete source data, and occasional extraction or data entry mistakes can occur.
Maximum Power & Fuel Consumption
Torque Statistics
| Maximum Torque | 1042 lb.-ft. (1413 Nm) at 1500 rpm |
|---|---|
| Torque Rise | 36.5% |
PTO Power Curve
Maximum Power & Fuel Consumption Details
| Condition | HP | kW | RPM | Fuel gal/hr | Fuel L/hr | DEF gal/hr | DEF L/hr |
|---|---|---|---|---|---|---|---|
| Rated Engine Speed | 305.40 | 227.70 | 2100 | 16.79 | 63.55 | 1.12 | 4.23 |
| Standard PTO Speed (1000 rpm) | 331.00 | 246.80 | 1967 | 17.62 | 66.69 | 1.18 | 4.46 |
| Maximum Power (1 Hour) | 333.20 | 248.50 | 1950 | 17.65 | 66.82 | 1.21 | 4.59 |
Varying Power & Fuel Consumption
Click column headers to sort
| Power | RPM | gal/hr | lb/hp·hr | hp·hr/gal | DEF gal/hr |
|---|---|---|---|---|---|
| 305.40 | 2100 | 16.79 | 0.39 | 18.18 | 1.12 |
| 261.80 | 2118 | 14.64 | 0.39 | 17.89 | 0.85 |
| 197.20 | 2127 | 11.39 | 0.41 | 17.31 | 0.63 |
| 132.00 | 2136 | 8.31 | 0.44 | 15.88 | 0.41 |
| 66.20 | 2145 | 5.37 | 0.57 | 12.33 | 0.23 |
| N/A | 2153 | 2.70 | N/A | N/A | 0.06 |