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Technical specifications

RD7A RD7He RD7H

Operating data 

Operating weight (water tank half full)* lb 1,545 1,657 1,613
Operating weight (water tank half full) lb 1,512 1,623.5 1,579.4
L x W x H (guide handle in operating position) in 93.1 x 27.5 x 45.7 93.1 x 27.5 x 45.7 93.1 x 27.5 x 45.7
Drum width  in 25.6 25.6 25.6
Drum diameter  in 16.5 16.5 16.5
Side clearance (right & left) in 1 1 1
Curb clearance (right/left) in 8.2 8.2 8.2
Centrifugal force high lbf 4,998 4,998 4,998
Centrifugal force low lbf 2,935 2,935 2,935
Frequency high Vpm 3,725 3,725 3,725
Frequency low Vpm 2,850 2,850 2,850
Amplitude drum in 0.029 0.029 0.029
Linear force  lb/in /
Linear force - front / rear (static)* lb/in 24.2 / 36.2 26.3 / 36.7 26.3 / 36.7
Linear force - front / rear (static) lb/in 23.5 / 35.6 27.4 / 36 25.7 / 36
Linear force - front / rear (dynamic) - high lb/in 97.6 / 97.6 97.6 / 97.6 97.6 / 97.6
Linear force - front / rear (dynamic) - low lb/in 57.3 / 57.3 57.3 / 57.3 57.3 / 57.3
Total force Applied - high* lbf 6,542 6,654 6,612
Total force Applied - low* lbf 4,479 4,591 4,547
Total force Applied - high lbf 6,510 6,621 6,577
Total force Applied - low lbf 4,446 4,558 4,514
Travel speed forward max. mph 2.8 2.8 2.8
Travel speed reverse max. mph 1.6 1.6 1.6
Surface capacity max. ft²/h 31,108 31,108 31,108
Gradeability with vibration % 40 40 40
Gradeability without vibration % 45 45 45

Engine / Motor 

Engine / Motor type  Air-cooled single cylnder 4 cycle gasoline engine Air-cooled single-cylinder 4-stroke diesel engine Air-cooled single-cylinder 4-stroke diesel engine
Engine / Motor manufacturer  Honda GX390 Hatz 1D42S Hatz 1D42S
Displacement  in³ 23.7 27.2 27.2
RPM / speed  rpm 2,600 2,600 2,600
Operating performance  hp 9.7 8.2 8.2
Tank capacity fuel US gal 1.6 1.3 1.3
Tank capacity water US gal 15.8 15.8 15.8
* For Machines with Guards

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