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
Optional pivoting hose reel for Harben Model E trailer jetters

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
Optional 180 degree pivoting hose reel for Harben Model E trailer jetters

Rail Extension

Hydraulic or manual extension. Extend a narrow configured hose reel outward 30-inches to improve job site access from trailers or trucks. Available with single or dual controls. Pictures show dual reels mounted on independent extension rails

Optoinal rail extension for hose reel on Harben Model E trailer jetter

Optional rail extenstion for hose reels installed in van body for Harben jetters

Optional rail extension for hose reels installed in van body for Harben jetters


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
Optional Kubota diesel engine for the Harben Model E trailer jetter

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
  • Mounted on vibration absorbing insulation pads
  • Dimensions: 34.2” L x 23.8” W x 29.9” H
Optional Hatz diesel engine for the Harben Model E trailer jetter

"Jump Jet" pulsation control

"Jump Jet" pulsation control. Operator controlled valve on control panel allows operators to “jump” the jetter’s high pressure hose to free nozzles from obstructions and help move hoses up drain pipes with bends

"Jump Jet" pulsation control

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 and wireless remote functions are interchangeable. Choose either with the press of a button.
  • A lockable cover prevents vandalism.
  • The cover is sealed to protect controls and electronic circuits from moisture intrusion.
Optional Cervis wireless handheld pendant remote for Harben jetters

Optional lockable cover for Cervis remote for Harben jetters

Optional control panel for remote control of Harben jetters

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.
Optional manual foot control for Harben jetters

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.
Optional jet pump for Harben jetters

Optional jet pump for Harben jetters

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
Optional pressure relief valve for Harben jetters

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.

Optional adjustable diverter valve for Harben jetters

Squared fenders

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

  • Accommodates an optional fender mounted tool box or utility tray
  • Coated with a non-skid surface to allow its 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
Optional square fender for Harben Model E trailer jetters

Optional black epoxy chip guard applied to square fender for Harben Model E trailer jetters

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
Optional chrome 16-in. wheels for Harben Model E trailer jetters

Rear mounted aluminum storage box

  • Polished aluminum diamond tread tool box
  • 6.7 cu. ft. capacity polished aluminum diamond tread storage box
  • Upgrades and replaces the standard black polyethylene tool box
  • The slanted top sheds water, is lockable and fitted with weather stripping.
  • Allows the safe and dry containment of loose and bulky tools
Optional rear mounted aluminum storage box for Harben Model E trailer jetters

Optional rear mounted aluminum storage box for Harben Model E trailer jetters

Fender mounted aluminum storage box

  • Cable corded, side opening door for easy access
  • Door is assembled with a tee latch, keyed lock and a weatherized door seal
  • Requires the substitution of optional squared fenders for standard rounded fenders
Optional fender mounted aluminum storage box for Harben Model E jetters

Nozzle Rack

  • Reduce the risk of lost nozzles with a 7-nozzle capacity rack for uncluttered, organized storage
Optinal nozzle rack for Harben Model E trailer jetters

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.
Optional metal cage for Harben Model E trailer jetters

Fulton jack

Fulton F2 dual roller wheel jack with wheel lock. The jack folds away next to the trailer tongue when not in use. Features and specifications:

  • Strong, durable construction. Extruded aluminum alloy inner and outer tubes. Twin alignment bushings ensure a precision fit. Virtually corrosion free anodized coatings. 1,600 lb. lifting capacity
  • Adjustable mount swivel system—strongest in the industry
  • Twin track 7-in diameter wheels roll independently making changes in direction smooth and effortless
  • 5-1/2-in. wheel base adds superior stability
  • Integrated pull pin with ergonomic grip makes it easy to swivel into position for lifting or transport
  • Maintenance free
  • Comes with a limited lifetime warranty
Optional Fulton roller jack for Harben Model E trailer jetters

Optional Fulton roller jack for Harben Model E trailer jetters

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.
Optional transportable hand-carried hose reel for Harben Model E trailer jetters

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.
Optional transportable hose reel on cart for Harben Model E trailer jetters

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.
Optional electric hose reel for Harben Model E trailer jetters

Reel Rotation Counter Assembly

Displays approximate hose footage as hose is payed out or retrieved from rotating hose reels

  • Counts approximate hose footage extended from reel
  • Mounts to the frame of most hose reels
  • Spring loaded design presses counter roller against the outside of the hose reel flange
  • Assembly includes a mechanical footage counter, spring loaded hinge, counter wheel and mounting bracket
Reel rotation counter assembly for Harben Model E trailer jetters

Reel rotation counter assembly for Harben Model E trailer jetters

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
Optional standard duty level wind for Harben Model E trailer jetters

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.
Optional 12-volt hand held spot light for Harben Model E trailer jetters

Post mounted strobe light

Strobe light, post mounted on E180

Optional post mounted strobe light for Harben Model E trailer jetters

6,000 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.
Optional 9,000 psi dump gun for Harben E180 trailer jetters

Optional 9,000 psi dump gun for Harben jetters

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.
Optional 5,000 psi hand gun for Harben jetters

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.
Optional lance nozzle for Harben jetters

Color coded poly shields for lance nozzles for Harben jetters