Trailer Jetter Accessories


Pivoting hose reel, side mounted

Harben model E45 with pivoting hose reel

  • Reel manually pivots and locks at 45- and 90-degrees left or right of center
  • Reel glides on smooth, virtually indestructible Teflon plates
  • No expensive bearing race to wear, lubricate or replace
  • Teflon plates out perform all others in harsh environments and are provided with a 10-year replacement guarantee

Pivoting hose reel, centered

Harben model E180 with pivoting hose reel

  • Reel centered at rear for unobstructed manual pivoting 11--degrees left or right of center.
  • Reel glides on smooth, virtually indestructible Teflon plates. No expensive bearing race to repair or replace. 10-year replacement guarantee
  • Fender tops are flattened. Mount available tool boxes or trays

Kubota diesel engine

Industrial class 4‐cylinder Kubota 03‐M series water cooled diesel engine with noise dampening shroud. Visit kubotaengine.com for more information.

  • Rated 48 h.p. at 2,800 rpm
  • Water cooled
  • 2‐yr., 2,000 hr. warranty with major components warranted for 3‐years
  • EPA Clean Air Act Interim Tier 4 qualified. Exempt from CARB PERP fees, registration requirements & inspections
  • Available with side power take‐off (PTO) option. Install a hydraulic pump to operate power tools
  • Operate years with only preventive maintenance. Starts reliably in seconds
  • Shrouding guards against vandalism and mischief. Quiet operation. Clean, uncluttered appearance
  • Mounted on vibration absorbing insulation pads
  • Dimensions: 26.3” L x 19.6” W x 24.9” H

Hatz diesel engine

Industrial class 3-cylinder Hatz L-series air cooled diesel engine with noise dampening Silent Pack shrouding

  • Operate for years with only preventive maintenance. Starts in seconds
  • Extremely quiet. The exhaust silencer is integrated into the Silent Pack capsule.
  • Fail-safe automatic low oil pressure shut off device
  • Two-year comprehensive warranty with key components warranted for five years
  • Space saving footprint. Mounted on vibration absorbing insulation pads
  • EPA Clean Air Act interim Tier 4 qualified. Exempt from CARB PERP fees, registration requirements & inspections
  • Engine appearance is uncluttered and polished
  • Safe from vandalism and mischief

Wireless remote control

Six-function wireless remote control

  • Remote jetting operations are simplified with hand held pendants provided by Harben.
  • These durable wireless remotes are designed for use with heavy duty outdoor equipment.

Manual foot control

  • A reliable and inexpensive solution to remote jetting requirements
  • Avoid the cost of corded or wireless remote controls
  • Designed to dampen water shocks when is diverted to hand guns or small diameter lateral hoses
  • Safely return water not used for jetting to the tank through a low pressure return hose or dump unused water into a nearby drain.

Jet pumps

  • Vacuum spills and solids up to 3-in. OD from job sites without a vacuum pump
  • Hydro jet pressure in the jet pump creates venturi induced suction to draw liquids and solids into a flexible vacuum hose for remote discharge
  • Available in 1-1/2”, 2” and 3” versions. 2” standard
  • Supplied with suction and debris hose. 20-ft . standard. Custom lengths are available up to 30-ft.



Pressure relief valve

Pressure relief valve with return to tank option.

  • Replaces the standard pressure rupture disc. Avoids fresh water surface spills
  • Useful when jetting at 4,000 psi through a foot control valve or hand gun

Adjustable diverter valve

Adjustable diverter valve installed below the water selector control valve and pressure gauge. Meters water flow to small diameter hose and hand guns.


Aluminum storage box

6.7 cu. ft. capacity polished aluminum diamond tread storage box

  • An upgraded replacement for the standard black polyethylene tool box
  • The slanted top is lockable and fitted with weather stripping. Allows the safe and dry containment of loose and bulky tools

Trailer upgrades

Fender mounted, polished diamond tread aluminum tool box,16-inch chrome wheels (in place of standard painted wheels) and an optional door mounted, 7-nozzle capacity storage rack.

  • Cable corded, side opening doors for easy access
  • Door is assembled with a keyed lock and a weatherized door seal.
  • Add chrome wheels for curb appeal and a nozzle rack for uncluttered, organized nozzle storage



Chrome 16-in. wheels

Chrome 16‐in. wheel for enhanced appearance

  • Upgraded from standard white 16‐in. painted wheel
  • Add DOT compliant safety reflective tape to fender sides

Squared fenders

Squared fender with non‐skid top surface. Standard on E180 models

  • Accommodates an optional fender mounted tool box or utility tray
  • Use as a secure step for tank top access
  • All rolled and squared Harben fenders fitted with an amber clearance light mounted on the forward face
  • Factory coated black epoxy chip guard applied to front face of each fender upon customer request at no added cost



Metal cage

Expanded metal cage installed next to the 1/2-inch hose reel

  • Safe storage for bulky items
  • Mount a low pressure garden hose reel above the cage. Use the garden hose to fill the water tank from a remote hose bib.
  • Use it as a foot control return hose (see Foot Control, above).
  • For lockable storage, relocate the standard black poly tool box or optional polished diamond tread alumin tool box to the tops of trailer fenders.

Fulton jack

Fulton dual roller wheel jack with wheel lock. The jack folds away next to the trailer tongue when not in use.




Transportable hand-carried hose reel

Transportable, hand-carried auxiliary hose reel

  • Pull quick release pins to remove and lift the reel from its secure mounting on the trailer frame.
  • Store and transport 3/8-in. hose up to 100-ft. long.

Transportable hose reel on cart

Transportable auxiliary hose reel mounted on a customized pneumatic wheeled cart

  • Cart is easily secured to the trailer frame
  • Drops from stirrups and remounts without lifting. Avoid worker's compensation claims.
  • Roll the cart and hose to and from job sites-effortlessly
  • A must-have option when transporting more than 100-ft. of 3/8-inch jet hose to remote job sites.
  • The reel holds up to 250-feet of 3/8" hose.

Electric hose reel

Heavy duty, electric powered auxiliary hose reel for low pressure garden hose.

  • The reel is mounted next to the 1/2-inch high pressure hose reel and plumbed to the water tank fill tube.
  • A light duty hand crank version also is available with a capacity of 100-ft. of 1/2-inch I.D. hose.

Heavy duty level wind

Heavy duty level wind with counter.  Learn more

  • Adapts to most hose reel assemblies
  • Adjustable tension control and oversized counter wheel improve counter accuracy and allow hose to be wrapped evenly on reel under severe loading conditions
  • Designed for after‐market installation
  • Use with ½‐in., 5/8‐in, ¾‐in. , 1‐in. and 1‐1/4‐in. hose

Standard duty level wind

Standard duty level wind with counter.

  • Tube style. Dual poly rollers keep hose aligned inside tube. Spring loaded counter wheel accurately counts hose footage, forward and reverse, as hose passes through the tube
  • Adapts to most hose reel assemblies
  • Easy after‐market installation
  • Use with ½‐in., 5/8‐in. ¾‐in. and 1‐in. hose

12-volt spot light

12‐volt, hand held spot light. Your choice of 100,000 candle power up to 140,000 candle power

  • Weatherproof, indestructible spotlight for use in harsh and hazardous duty environments
  • Single piece body; UV treated black neoprene construction.
  • Industrial quality coil cord furnished with cigarette lighter plug. Conveniently plugs to 12-volt power outlets, standard on Harben E-series machines
  • Your choice of spring loaded momentary or on/off switch in a secure pistol grip handle
  • Coil cord extends from 2-ft. retracted to 12-ft. extended
  • Only 9-in. by 5-in. Weighs 2.8 lbs.

Post mounted strobe light

Strobe light, post mounted on E180


9,000 psi dump gun

  • The Mark II dump gun is assembled with a 35" lg. x 1/4" dia. lance and a solid stream or fan nozzle. The lance features a sturdy hand grip for reliable gun control and reduced fatigue
  • Choose a dump gun when plastic rupture discs (“blow off plugs”) are installed on jetting equipment in place of pressure relief and unloader valves.
  • Unlike shut-off style guns, the Mark II dump gun safely relieves water through a low pressure dump nozzle mounted above the high pressure lance. Dump guns dampen the “kick” effect experienced with shut off guns when water flow is started and stopped.
  • Option: choose solid stream and spray nozzles with quick release couplings, pictured below.



5,000 psi hand gun

Shut-off style safety hand gun with a rated operating pressure of 5,000 psi.

  • Assembled with a 35" lg. x 1/4" dia. lance with molded insulator for grip and control and nozzle shield to reduce spray back and the risk of nozzle damage.
  • Choose from nozzles with quick release couplings, pictured below.

Lance nozzles

Stainless steel lance nozzles for precision hydro-excavation digging, surface scrubbing or general surface cleanup

  • Nozzle have integrated quick connect stainless steel fittings suited for easy interchange into compa lances.
  • Each stainless steel nozzle is protected by a colored coded poly shield. In addition to providing protec the nozzle, the shield permit s easy identification , facilitates nozzle change-out and allows operators to be gauge the distance of the nozzle from bland and light colored surfaces.
  • Select red framed nozzles for a solid stream; yellow for a 15-degree spray pattern; green for a 25-degree spray pattern.
  • Nozzles are available with a variety of user preferred flow rates.