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RD7 Technical specifications

RD7H RD7He RD7Ye

Operating data 

Operating weight (water tank half full)* lb 1,612.5 1,656.6 1,632.5
Operating weight (water tank half full) lb 1,579.4 1,623.5 1,599.4
L x W x H (center pole in working position) in 93.1 x 27.5 x 43.3 93.1 x 27.5 x 45.7 93.1 x 27.5 x 43.3
Drum width  in 25.6 25.6 25.6
Drum diameter  in 16.5 16.5 16.5
Side clearance (right and left) in 1 1 1
Curb clearance  in 8.24 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 3,726 3,726 3,725
Frequency - low Vpm 2,850 2,850 2,850
Amplitude drum in 0.029 0.029 0.029
Linear force - front / rear (static)* lb/in 26.3 / 36.7 26.3 / 36.7 24.2 / 36.2
Linear force - front / rear (static) lb/in 25.7 / 36 27.4 / 36 23.5 / 35.6
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 6,611.6 6,654.1 6,542
Total force applied - low* lbf 4,546.6 4,590.7 4,479
Total force applied - high lbf 6,576.9 6,621 6,510
Total force applied - low lbf 4,513.54 4,557.6 4,446
Travel speed forwards 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 cylinder four-cycle diesel engine Air-cooled single-cylinder 4-stroke diesel engine Air-cooled single cylinder four-cycle diesel engine
Engine / Motor manufacturer  Hatz Hatz 1D42S Yanmar
Displacement  in³ 27.2 27.2 26.5
RPM / speed  rpm 2,600 2,600 2,700
Operating performance  hp 8.2 8.2 8.2

Filling capacities 

Fuel tank capacity  US gal 1.3 1.3 1.4
Tank capacity Water US gal 15.8 15.8 15.8
* For Machines with Guards

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