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RD7 Technical specifications

RD7Y RD7H RD7A

Operating data 

Operating weight min. lb 1,536.6 1,580.7 1,514.6
Operating weight max. lb 1,565.3 1,620.4 1,521.2
L x W x H Drawbar in working position in 97.2 x 97.2 x 47.3 97.2 x 28.4 x 47.3 97.2 x 28.4 x 47.3
L x W x H Drawbar in the transport position in 53.2 x 28.4 x 78.4 53.2 x 28.4 x 78.4 53.2 x 28.4 x 78.4
Drum width  in 25.6 25.6 25.6
Drum diameter  in 15.8 15.8
Lateral Overhang Right in 1.18 1.18 1.18
Lateral Overhang Left in 1.18 1.18 1.18
Curb clearance Right in 0.89 0.89 0.89
Curb clearance Left in 0.89 0.89 0.89
Centrifugal force max. lbf 5,058.2 5,058.2 5,058.2
Frequency Stage I Vpm 2,760 2,760 2,760
Frequency Stage II Vpm 3,360 3,360 3,360
Linear force - front / rear Static lb/in 30.3 / 30.3 30.3 / 30.3 30.3 / 30.3
Linear force - front / rear Dynamic lb/in 98.8 / 98.8 98.8 / 98.8 98.8 / 98.8
Travel speed Forward mph 2.8 2.8 2.8
Travel speed Reverse mph 1.55 1.55 1.55
Surface capacity  ft²/h 31,162 31,162 31,162
Gradeability  % 26 26 26
Hand-arm vibrations  ft/s² < 8.2 < 8.2 < 8.2

Engine / Motor 

Engine / Motor type  Air-cooled, single-cylinder, four-stroke diesel engine Air-cooled, single-cylinder, four-stroke diesel engine Air-cooled, single-cylinder, four-cycle gasoline engine
Engine / Motor manufacturer  Yanmar Hatz Honda
Displacement  in³ 27.15 27.15 23.7
Operating performance  hp 8 8.17 7.5
at rpm  rpm 2,600 2,600 2,600
Engine performance max. kW 6.8 7.5 8.7
at rpm  rpm 3,600 3,600 3,600

Filling capacities 

Fuel tank capacity  US gal 1.6 1.6 1.6
Water tank capacity  US gal 15.9 15.9 15.9