5
Harper DB1800
Engine
18 hp Kohler – Gasoline
Weight 425
lbs.
Dimensions
Length – 103”, Width – 48”, Height – 40” min to 55” max
Blower
19” diameter, 10 fins
Output
185 mph, 9000 CFM
Blower Drive
Direct drive from engine shaft
Nozzle
Rotates 360 degrees
Noise Sound
control
technology limits noise to 84 dB at driver’s seat
Hood and Shroud
Double-melt high-density polyethylene
Pin Hitch
Towable with any utility vehicle
Warranty One
year
The manufacturer reserves the right to make changes in engineering, design and specifications or add
improvements at any time without notice or obligation.
Size In.-Lb.
Ft.-Lb. N-m
No. 10-24
25-35
5-7
2.8-4.0
¼ in.
60-80
18-20
7-9
5
/
16
in.
120-140
28-30
14-16
⅜
in.
340-360
64-74
24-27
½ in.
---
126-150
90-100
Specifications
NOTE:
When tightening two or
more screws on the same
part, DO NOT tighten screws
completely right away, or one
at a time. To avoid distortion,
first tighten all screws in
sequence to one-third of
torque value, then tighten to
two-thirds of torque value,
then tighten to full value.
Torque Chart
