| Model | 7250 |
|---|---|
| Years Produced | (2008-2012) |
| Engine | |
| Make | John Deere PowerTech Plus |
| Displacement- cu in(L) | 548(9.0) |
| Configuration | Inline 6, wet sleeve |
| Power @ 1900 RPM- EVE-R 120HP | 380 |
| Power @ 2100 RPM- EVE- R 120 HP | 355 |
| Cooling fan drive | Direct |
| Fuel tank capacity- gallons (L) | 185(700) |
| Feeding System | |
| Number of feedrolls | 4 |
| Width of housing- in(mm) | 27(683) |
| Width of feedroll- in(mm) | 26(660) |
| IntelliGuard Metal Detector | Standard |
| Length of cut system- standard | Infinitely Variable LOC |
| Length of cut range: | |
| With 40-knife cutterhead- in(mm) | .25-1(6-26) in 1 mm steps |
| With 48-knife cutterhead- in(mm) | .2-.875(5-22) in 1 mm steps |
| Cutterhead | |
| Type | Enclosed with straight knife holders |
| Width- in(mm) | 27(683) |
| Diameter- in(mm) | 24(610) |
| Speed-RPM | 1000 |
| Number of knives | 40 or 48 |
| Sharpening systems | Reverse rotation, remote from cab |
| Knife Sharpening | |
| Reverse rotation | Yes |
| Automatic from cab | Standard |
| Kernel Processing | |
| Type | Serreted roller, quick change and remote |
| Roll diameter- in(mm) | 8.5(216) |
| Roll speed (upper) | 3921 |
| Roll speed (lower) | 3233 |
| Roll spacing- in(mm) | .03125-1.2(1-30) |
| Weight- lbs(kg) | 732(328) |
| Corn,roll teeth number (speed differential) | 107(21%) |
| Blower | |
| Width- in(mm) | 20(506) |
| Number of paddles | 12 |
| Spout | |
| Rotation- degrees | 200 |
| Maximum Ground Speed, Standard transmission(mph) | 18.6 |
| Maximum Ground Speed, Prodrive (mph) | N/A |
| Rear Axle 2wd | Fixed,heavy duty |
| Rear Axle HFWD | Fixed,heavy duty |
| AMS Solution | |
| HarvestMon | N/A |
| HarvestDoc | N/A |
| HarvestLab | N/A |
| AutoTrac | N/A |
| Crop Harvesting Units | |
| Grass Pickups ft(m) | 14.8,13.1,9.8(4.5,4,3) |
| Kemper Rotary Header, Rows | 6,4 |
| Automatic steering for corn | Optional |
| Advanced Header Control | Optional |
| Feed Rolls | |
| Feed roll frame opening | Swing away,wide access |
| Number of paddles | 4 |
| Metal Detector | Standard |
| Width, front (mm) | 660 |
| IVLOC, Feed roll speed | IVLOC Opt |
| Mechanical LOC, Feed roll speed | 4 speed Opt |
| Number of front end drive speeds | 2 |
| Cutterhead | |
| Cutterhead housing width- in(mm) | 28(710) |
| Cutterhead: width/diameter- in(mm) | 26.9/24(683/610 |
| Weight- lbs(kg) | 765(348) |
| Number of knives | 48 or 40 |
| Speed at rated engine speed (rpm) | 1150/1100 |
| Knife types available (crops) | Straight/Curved |
| Sharpening system | Reverse Rotation |
| Shear bar, reversible | Standard |
| Weights and Dimensions | |
| with Front tires | 620/75R34 |
| with rear tires | 480/80R26 |
| Transport length w/o header ft(m) | 21.75(6.62) |
| Transport width w/o header ft(m) | 9.7(2.95) |
| Transport height ( to top of cab) ft(m) | 12.2(3.7) |
| Working height (maximum) ft(m) | 20.7(6.2) |
| Weight w/o header | 21461(9755) |