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RD7 Technical specifications

Operating data 

Operating weight (water tank half full)* 1,544.98 lb
L x W x H (guide handle in operating position) 93.22 x 27.5 x 45.78 in
Drum width  25.61 in
Drum diameter  16.55 in
Side clearance (right & left) 0.99 in
Curb clearance (right/left) 8.25 in
Centrifugal force high 4,990.76 lbf
Centrifugal force low 2,945 lbf
Frequency high 3,726 Vpm
Frequency low 2,850 Vpm
Amplitude drum 0.03 in
Linear force - front / rear (static)* 23.98 / 35.97 lb/in
Linear force - front / rear (static) 23.41 / 35.4 lb/in
Linear force - front / rear (dynamic) - high 97.64 / 97.64 lb/in
Linear force - front / rear (dynamic) - low 57.1 / 57.1 lb/in
Total force Applied - high* 6,541.94 lbf
Total force Applied - low* 4,473.7 lbf
Total force Applied - high 6,519.46 lbf
Total force Applied - low 4,451.22 lbf
Travel speed forward max. 2.8 mph
Travel speed reverse max. 1.55 mph
Surface capacity max. 31,107.96 ft²/h
Gradeability with vibration 40 %
Gradeability without vibration 45 %

Engine / Motor 

Engine / Motor type  Air-cooled single cylnder 4 cycle gasoline engine
Engine / Motor manufacturer  Honda GX390
Displacement  23.73 in³
Operating performance  9.65 hp
RPM / speed  2,600 rpm

Filling capacities 

Tank capacity fuel 1.59 US gal
Tank capacity water 15.85 US gal
* For Machines with Guards