| MODELS » |
9HP Pro
DR Stump Grinder |
6HP Premier
DR Stump Grinder |
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| Manufacturer |
DR Power Equipment |
DR Power Equipment |
| Model |
9 HP Pro Stump Grinder |
6 HP Premier Stump Grinder |
| Make/Model |
Subaru EX 27 - 9hp |
Subaru SP 170 - 6hp |
| Max Horsepower |
9 @ 4000 rpm |
6 @ 4000 rpm |
| Torque |
13.74 ft. lbs. @ 2500 RPM |
8.34 ft. lbs. @ 2500 RPM |
| Displacement |
265 cc |
169 cc |
| Rings/Cylinders |
HD piston rings & cast iron cylinder liner |
HD piston rings & cast iron cylinder liner |
| Type |
Electronic spark ignition, overhead cam, 4-cycle |
Electronic spark ignition, overhead cam, 4-cycle |
| Cam |
Case hardened steel chain driven overhead cam |
Case hardened steel chain driven overhead cam |
| RPM Speeds |
Idle: 1400RPM Max 3600RPM |
Idle: 1400RPM Max 3600RPM |
| Cooling Method |
Air |
Air |
| Fuel Tank Capacity |
1.59 U.S. Gallons |
.90 U.S. Gallons |
| Oil Capacity |
33.8 Fl. oz. |
20.3 Fl. oz. |
| Decompression |
Automatic |
Automatic |
| Crankshaft |
Dual ball bearing crankshaft support |
Dual ball bearing crankshaft support |
| Starting |
Pull |
Pull |
| Air Cleaner |
Single Element |
Single Element |
| Lubrication |
Splash |
Splash |
| Model |
Noram 4000 series |
Noram 4000 series |
| Bearings |
Radial ball bearing support |
Radial ball bearing support |
| Model |
Carlisle BP47 |
Carlisle AP47 |
| Construction |
Wrapped Construction for abrasion resistance |
Wrapped Construction for abrasion resistance |
| Construction |
Dual Ball bearing support |
Dual Ball bearing support |
| Thickness |
1/2" |
1/2" |
| Diameter |
10.5" |
10.5" |
| Number of Teeth |
9 (replaceable) |
9 (replaceable) |
| Tooth RPM |
2789 RPM |
2789 RPM |
| Tooth Speed |
88 MPH |
88 MPH |
| Construction |
Fully welded 12 ga steel construction
Optimized Using FEA for Strength |
Fully welded 12 ga steel construction
Optimized Using FEA for Strength |
| Deck |
11- gauge steel |
11- gauge steel |
| Paint |
Powder coat |
Powder coat |
| Height |
Adjustable |
Adjustable |
| Operator Presence System |
Yes |
Yes |
| Throttle |
Yes |
Yes |
| Wheel Brake with Lock |
4" Band Brake with Locking Feature |
4" Band Brake with Locking Feature |
| Tires |
15" x 4.5" lugged |
15" x 4.5" lugged |
| Wheels |
Steel |
Steel |
| Size |
Oversized 3/4 |
Oversized 3/4" |
| Machine Weight |
139 lbs. |
125 lbs. |
| Shipping Weight |
204 lbs. |
186 lbs. |
| Shipping Dimensions |
54.75" L x 35.5" W x 45.25" T |
54.75" L x 35.5" W x 45.25" T |
| Machine |
2 years residential; 90 days commercial |
2 years residential; 90 days commercial |
| Engine |
3 years residential;
3 years commercial |
2 years residential;
1 year commercial |