Hotsy's heavy caged cold water models, belt drive: Honda, Vanguard or Kohler diesel engines, 3.4 to 4.5 GPM at 3,000 to 5,000 PSI. Small two-wheel or large four-wheel roll cage.
Maker
Hotsy
PSI
3,000 to 5,000
GPM
3.4 to 4.5
Heat
none
Power
Honda GX390/GX630/GX660 or Vanguard 16 gasoline engine, or Kohler diesel
Setup
portable
Warranty
Pump 7 years (per the 2016 brochure)
Quoted on the call
What it's for
Construction and equipment yards with no power
Contractors who need 5,000 PSI cold water (BD-405039E, BD-455039E)
What it's not for
Indoor use
Oily soils (look at hot water)
Before it's installed
Electric-start models need a battery, which is not supplied
Size: small cage 42 x 26 x 30 inches; large cage 46 x 30 x 36 inches; 290 to 430 lb shipping
Models
From the manufacturer's 2016 brochure. Current models can differ; the shop confirms on the call.
Model
GPM
PSI
Power
Fuel
BD-373539
3.7
3,500
Honda GX390, recoil, small cage, 2 wheels
Gasoline
BD-404029
4.0
4,000
Vanguard 16, recoil, large cage, 4 wheels
Gasoline
BD-405039E
4.0
5,000
Honda GX630, electric start, large cage, 4 wheels
Gasoline
BD-455039E
4.5
5,000
Honda GX660, electric start, large cage, 4 wheels
Gasoline
BD-343089E
3.4
3,000
Kohler diesel, electric start, large cage, 4 wheels
Where these numbers come from: Hotsy BD / BDE Series brochure, effective 3/16 (2016). Models checked on hotsy.com 2026-10-23: BD-373539, BD-405039E and BD-455039E listed; BD-404029 and BD-343089E not found.
What are you cleaning?
Tell us the job in your own words. A person at the counter calls you and starts with the problem. Nobody pitches a machine until we understand the job.