Description
🏭Made in USA
🔒1-year warranty
📘 Overview
Ordered as a skid steer concrete pump, a self-powered skid unit or a towable road trailer, the Ventures Equipment concrete grout pump (3/8 Special) moves 10-12 cubic yards an hour through a 4 in. heavy-duty outlet and handles mixes with aggregate up to 3/8 in. A progressive cavity rotor and stator does the work, so output is constant and material does not surge at the hose end or the nozzle - the difference between a clean shotcrete pass and a wasted one. Six configurations are offered and the choice is really a choice of power source: the SSU runs on your loader's auxiliary hydraulics and needs 15 GPM at 2,500 PSI with a case drain; the SS sits on a skid frame with either a 37 HP gas engine or 220 V electric drive; the ST puts the same pump on a DOT trailer you can tow with a half-ton pickup, in gas or diesel, with wireless remote control on the diesel builds. All six share the 8 cubic foot hopper, the adjustable stator that re-tensions as it wears, and a 1-year limited warranty. Built in North Texas, USA.
⚙ Key Features of the 3/8 Special Concrete Grout Pump
- Progressive cavity rotor and stator - output is set by the geometry, not by a piston stroke, so material leaves the nozzle at a constant rate with no surge.
- 8 cubic foot (225 L) hopper feeding 10-12 cubic yards per hour, enough to keep a ready-mix truck discharging without the pump becoming the bottleneck.
- 4 in. heavy-duty (101 mm) discharge on a standard concrete flange, with a camlock option on the 6012 pump unit and a 2 in. male NPT outlet available on that unit.
- 3/8 in. (10 mm) pea gravel capacity - it takes real ready-mix and SCC, not just sand-cement grout.
- Adjustable stator - as the elastomer wears, the sleeve tightens back down around the rotor to restore working pressure instead of forcing an early replacement.
- Choice of 2L8 or 6012 rotor and stator, pressure-tested to 150 PSI and 300 PSI respectively, so the pump can be matched to pumping distance and lift.
- Forward, reverse and variable speed from the control position - reverse relieves line pressure and clears a plugged hose without breaking the line.
- Hinged safety grate that grades material into the hopper and swings past vertical for unobstructed clean-out; a vibrator is fitted on the engine-driven builds.
- Greasable drive seal with a zerk in the motor flange, and a universal joint seal tube that is replaceable in the field rather than a dealer-only job.
- Skid frames carry forklift slots and the SSU has fork pockets as well as its quick attach plate, so the unit can be moved and stored without the host machine.
🔑 What the 3/8 Special Concrete Grout Pump Changes on Site
- Buy the pump without buying a second engine. The SSU has no engine at all - if you already run a skid steer with 15 GPM at 2,500 PSI, that machine becomes the power unit, and there is no additional engine to fuel, service or winterize.
- Reach placements a pump truck cannot. At 885 lb the SSU goes wherever the loader goes - inside a structure, down a slope, into a basement - and the trailer builds tow behind a half-ton pickup rather than needing a boom truck and its minimum charge.
- Recover pressure instead of replacing parts. The adjustable stator tightens back around the rotor as it wears, extending usable life on the highest-wear component in the machine.
- Clear a plugged line without breaking it. Reverse relieves line pressure through the pump, so a blockage is a two-minute recovery rather than a hose strip-down with material going off inside it.
- Pump ready-mix, not just grout. 3/8 in. aggregate capacity means SCC and pea-gravel ready-mix go through the same machine that does masonry grout and shotcrete.
- Match the drive to the space. The 220 V electric skid produces no exhaust, which is what makes indoor and enclosed-space pours possible without ventilation planning.
- Tow it legally on day one. The trailer builds are highway-registered with DOT tires and lights, axle brakes and a breakaway - no trailer to source or certify separately.
📊 3/8 Special Concrete Grout Pump Specifications
| Specification | Value |
|---|---|
| Pump type | Progressive cavity rotor / stator |
| Hopper capacity | 8 cubic feet (225 L) |
| Output rate | 10-12 cubic yards per hour (9 m3) |
| Discharge outlet | 4 in. heavy-duty (101 mm) concrete flange |
| Maximum aggregate | 3/8 in. pea gravel (10 mm) |
| Rotor / stator options | 2L8 or 6012 |
| Stator | Adjustable - re-tensions as the stator wears |
| Direction control | Forward, reverse and stop; variable speed |
| Warranty | 1-year limited (initial user) |
| Country of manufacture | United States (North Texas) |
🔄 3/8 Special Configurations Compared
| Configuration | SKU | Drive | Mounting | Hopper fill height |
|---|---|---|---|---|
| SSU - Skid Steer with no Engine | 62000500 | Host machine auxiliary hydraulics - no onboard engine | Universal skid steer quick attach (SSQA), plus forklift fork pockets | 30 in. |
| SS - Skid Mounted Trailer | 62000050 | Onboard 37 HP electric-start gas engine, 8-gallon fuel tank | Skid frame with forklift access slots | 30 in. |
| ST - Trailer | 62000405 | Onboard 37 HP electric-start gas engine, 8-gallon fuel tank | Highway-registered towable trailer | 43.5 in. |
| ST - Diesel Skid Trailer with wireless remote | 62000700 | Diesel | Trailer | 43.5 in. |
| ST - Diesel Trailer with wireless remote | 62000600 | Diesel | DOT road trailer | 43.5 in. |
| SS- Skid Mounted Trailer - 220 Volt | 62000200 | 220 V electric - no engine, no exhaust | Skid frame with forklift access slots | 30 in. |
📋 Choosing a 3/8 Special Configuration
- SSU - Skid Steer with no Engine. The lowest-cost route into the range if you already own a skid steer. No engine to fuel, service or winterize; the loader supplies the power. Needs 15 GPM at 2,500 PSI and a case drain.
- SS - Skid Mounted Trailer. Self-powered by a 37 HP electric-start gas engine, on a skid frame with forklift slots. Choose it where there is no loader to spare and the pump stays in one place for the pour.
- SS - Skid Mounted Trailer - 220 Volt. The same skid frame driven electrically instead of by a gas engine - no exhaust and no fuel handling, which is what makes it the indoor and enclosed-space option.
- ST - Trailer. The gas-engine pump on a highway-registered trailer with DOT tires and lights, a 2 in. ball hitch and axle brakes. Tows behind a 1/2-ton pickup, so one operator can move between sites unaided.
- ST - Diesel Trailer with wireless remote. Diesel drive on the road trailer, plus wireless remote control so the operator can start, stop and adjust pump speed from the placement end of the hose instead of walking back to the panel.
- ST - Diesel Skid Trailer with wireless remote. The diesel and remote-control package in the skid-trailer arrangement.
🔗 Hose and Fitting Compatibility on the 3/8 Special
The pump discharges through a standard 4 in. concrete flange when the 2L8 rotor and stator is fitted. The 6012 unit can be supplied with either a flange or a 2 in. male NPT outlet, and camlock connection is supported, so existing placement hose can usually be reused rather than replaced.
Reducers, hoses, couplings, clamps and spray nozzles are all fitted at the outlet to suit the application - shotcrete and spray work use a nozzle assembly, while form and pour work runs a straight hose. The machine also ships with a pressure tester that checks rotor and stator condition before each use and confirms the setup will reach the distance and height the pour needs.
Fitting sizes above are the manufacturer's published outlet interfaces. If you are matching hose you already own, check your coupling type against the 4 in. flange or camlock before you order accessories.
🚜 Which Machines Run the Skid Steer Concrete Pump?
The 3/8 Special is supplied in three different mounting arrangements, and only one of them attaches to a machine. Select the configuration that matches how you intend to power and move the pump:
1. SSU - Universal Skid Steer Quick Attach (SSQA). As a concrete pump skid steer attachment, the SSU carries a universal skid steer quick attach plate and takes all of its power from the host machine's auxiliary hydraulics. It fits skid steer loaders and compact track loaders with a standard SSQA plate, including:
BobcatCaterpillarJohn DeereCaseNew HollandTakeuchiKubotaGehl
Hydraulic requirement: a minimum of 15 GPM at 2,500 PSI on the auxiliary circuit. Connection is by 1/2 in. flat-faced couplers on the pressure and return lines, and the hydraulic motor needs a case drain line back to source - a third, low-pressure return that carries internal motor leakage. A machine without a case drain port will shorten motor seal life. The SSU weighs 885 lb empty, so check that figure plus the weight of the material in an 8 cubic foot hopper against your loader's rated operating capacity. Fork pockets are fitted as well, so the unit can be moved by forklift when it is off the loader.
2. SS - Skid mounted, self-powered. The skid configurations do not attach to a machine at all. They sit on a skid frame with forklift access slots and carry their own drive: either a 37 HP electric-start gas engine with an 8-gallon fuel tank, or a 220 V electric motor on the 220 Volt build. No loader, no auxiliary hydraulics and no quick attach plate are involved. The electric build produces no exhaust, which is what makes it the option for indoor and enclosed spaces.
3. ST - Trailer mounted, towable. The trailer builds are highway-registered machines, not attachments. They carry DOT approved tires and lights, a 2 in. ball coupling hitch of the Bull Dog type welded to the chassis, axle brakes with an electrical breakaway device, and a 7-way RV blade connector for the tow vehicle. The single axle is rated 5,200 lb against a trailer weight of about 2,600 lb, and the manufacturer rates the unit for towing behind a 1/2-ton pickup. Your tow vehicle needs a 2 in. ball, a 7-way connector and a tow rating that covers 2,600 lb plus material.
Three things decide which configuration you need: which drive suits the work, and then either your loader's auxiliary flow, pressure and case drain port for the SSU, or your tow vehicle's hitch ball size and rating for the ST.
Everything needed to confirm fitment is on this page - add it to your cart to see delivered pricing for your address. We ask for your machine make and model on the order page and confirm the mount and hydraulics with you after the order is placed.
🔗 What the 3/8 Special Concrete Grout Pump Is Used For
One machine covers work that is usually split across several. As a masonry grout pump it fills block cores and structural voids; as a shotcrete pump it feeds a spray nozzle for slope, pool and repair work; and on the SSU it runs as a hydraulic grout pump driven by a loader you already own, which is the cheapest route to a concrete pump for skid steer work. The concrete pump trailer builds turn the same pump end into a towable concrete pump that follows the crew between sites, and the skid builds sit still and run on their own engine.
- Masonry and structural grout
- Self-consolidating concrete (SCC)
- Pour and form work
- Shotcrete and spray application
- Epoxy grout
- Abandoned utility grouting
- Slurry and lightweight concrete
- 3/8 in. ready-mix concrete
🔗 What Else Pairs With the 3/8 Special Grout Pump
- VE3D concrete printing pump system - the same 3/8 in. progressive cavity pump packaged with a 6,000 lb silo and continuous mixer
- SureMix dual mixing mortar and grout pump - for pre-blended bagged materials rather than site-batched concrete
- Digga skid steer concrete mixing bowl - mix a batch on the loader when there is no ready-mix truck to pump from
❓ 3/8 Special Concrete Grout Pump Questions, Answered
Inspect the pump before you sign. Skid builds arrive strapped to their own skid frame and trailer builds arrive on their wheels, so check the hopper, the grate and - on trailer builds - the lights, tires and coupler before the driver leaves. Note any damage on the Bill of Lading at the moment of delivery; a signed clean BOL closes the carrier claim on a machine of this value.
Which 3/8 Special configuration should I order?
Choose by power source. Order the SSU as a skid steer grout pump if you already run a loader with 15 GPM at 2,500 PSI auxiliary hydraulics and a case drain - it has no engine of its own. Order an SS skid build if you want the pump self-powered but stationary, in 37 HP gas or 220 V electric. Order an ST trailer build if the pump has to move between sites behind a pickup, available in gas or in diesel with wireless remote control.
What hydraulic flow does the SSU skid steer concrete pump need?
The SSU needs a minimum of 15 GPM at 2,500 PSI from the host machine's auxiliary hydraulic circuit. Connection is through 1/2 in. flat-faced couplers on the pressure and return lines.
Does the SSU need a case drain?
Yes. The SSU's hydraulic drive motor uses three hoses - two for directional flow and a case drain that returns internal motor leakage to source. Running the motor without a case drain connected shortens seal life and reduces motor performance.
Will the SSU fit my skid steer?
The SSU uses a universal skid steer quick attach (SSQA) plate, so it fits skid steer loaders and compact track loaders with a standard SSQA mount regardless of brand. Fitment is decided by the mount plate and by hydraulic capability, not by the badge on the machine - confirm your quick attach configuration and your auxiliary flow before ordering.
How heavy is the SSU and will my loader lift it?
The SSU weighs 885 lb empty. Add the weight of material in the 8 cubic foot hopper and compare the total against your loader's rated operating capacity, not its tipping load.
Can I tow the ST trailer with a half-ton pickup?
Yes. Ventures Equipment rates the 3/8 Special trailer for towing with a 1/2-ton pickup. The 3/8 Special trailer weighs approximately 2,600 lb against a 5,200 lb rated single axle, and the trailer needs a 2 in. ball hitch and a 7-way RV blade connector on the tow vehicle.
Is the trailer road legal as delivered?
The 3/8 Special trailer is a highway-registered towable machine with DOT approved tires and lights, axle brakes and an electrical breakaway device that applies the brakes if the trailer uncouples. No separate trailer needs to be sourced or certified.
What aggregate size can the 3/8 Special pump?
The 3/8 Special handles material with aggregate up to 3/8 in. (10 mm) - pea gravel size. That covers masonry grout, self-consolidating concrete, shotcrete, slurry, lightweight concrete and 3/8 in. ready-mix.
What is the difference between the 2L8 and 6012 rotor and stator?
The two units are rated to different working pressures: a 2L8 rotor and stator is pressure tested to 150 PSI and a 6012 to 300 PSI. The 2L8 discharges through a 4 in. concrete flange; the 6012 can be supplied with a flange, a camlock, or a 2 in. male NPT outlet. Higher pumping distance and lift point to the 6012.
What happens when the stator wears?
The 3/8 Special is supplied with an adjustable stator. As the elastomer wears, the clamping sleeve is tightened evenly in small increments to restore working pressure, so the part is not replaced at the first sign of pressure loss. Over-tightening causes premature wear and heats the material, so pressure-test between adjustments.
How do I clear a blocked hose?
Stop the pump and move the control to reverse to relieve line pressure through the pump, then clear the line. Reverse should only be run for a few seconds at a time - it is a recovery function, not an operating mode.
What maintenance does the 3/8 Special need?
Grease the drive shaft seal daily, or after each clean-down, through the zerk in the motor flange, using a water-resistant, corrosion-inhibiting extreme-pressure grease. Wash the hopper and run foam balls through the hose after every job - material left to set is the main cause of seal and stator damage. Never run the pump dry.
What warranty comes with the 3/8 Special?
Ventures Equipment warrants the machine free of defects in material and workmanship for one year from delivery, to the initial user. Normal wear parts are excluded - pins, bushings, seals, rotors, stators, hoses, shaft couplings and connectors, pump shafts, filter elements, batteries and tires.
How does the 3/8 Special concrete grout pump ship?
Shipping is calculated at checkout - add the pump to your cart and enter your delivery address to see the freight charge before you complete the order. These are LTL freight items and lift gate service can be selected at checkout for deliveries without a dock.
📥 3/8 Special Manuals and Documentation
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