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BE Power Equipment  |  SKU: 85.139.071B

BE Power Equipment General Pump TSF2021 Triplex Pressure Washer Pump Assembly 8.5 GPM 4000 PSI with 24mm Belt Drive Shaft - 85.139.071B

$2,130.00
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The General Pump TSF2021 — 8.5 GPM and 4,000 PSI of Triplex Muscle for High-Volume Cleaning

The BE Power Equipment 85.139.071B is a complete General Pump TSF2021 triplex pump assembly built for professionals who need maximum water flow and pressure. Rated up to 8.5 GPM at 4,000 PSI, this belt-drive triplex plunger pump pairs ceramic plungers with a brass manifold and a low-RPM belt drive for the cooler, quieter, longer-lasting performance that industrial cleaning demands. It arrives ready to run with an external unloader, adjustable chemical injection, and a 24 mm shaft to couple to a gas or electric drive.

It’s the replacement pressure washer pump to reach for when a high-output cold-water machine needs its heart rebuilt — or when a builder is spec’ing a new rig around serious flow. Contractors point that 8.5 GPM at heavy machinery, agricultural equipment, fleet vehicles, and large concrete surfaces where volume clears the job faster than pressure alone. Backed by a 5-year warranty, the TSF2021 is built to log years of hard duty for industrial contractors and large-property crews.

Key Features

  • 8.5 GPM at 4,000 PSI — high-volume triplex output that clears large surfaces and heavy grime far faster than a low-flow homeowner pump.
  • Triplex ceramic plungers — resist heat and abrasion to protect the seals and extend service life under continuous load.
  • Nickel-plated brass manifold — dissipates heat and resists corrosion for strength and long life in demanding conditions.
  • Low 1,750 RPM belt drive — runs cooler and quieter than a direct-drive pump, extending seal, bearing, and plunger life.
  • 24 mm solid shaft — couples securely to belt-drive systems powered by a gas or electric motor.
  • External unloader (85.300.033) with adjustable soap injector (85.400.000) — gives precise pressure regulation and flexible detergent draw in the field.
  • 3/4 in GHF inlet and 3/8 in brass quick-connect discharge — standard hookups for a fast, leak-free hose connection.
  • Handles inlet water up to 165°F — runs warm-feed cleaning without cooking the seals, and accepts an optional thermal relief valve (85.300.023).

Sizing It to Your Job

✔︎  This is a bare triplex plunger pump assembly (no engine or motor) — match it to a gas or electric drive rated for its 1,750 RPM and power draw.
✔︎  Couples to a 24 mm solid shaft — confirm your drive and pulley setup accepts a 24 mm coupling before ordering.
✔︎  Plan around 8.5 GPM at up to 4,000 PSI — make sure your water supply can keep the pump fed at that flow to avoid cavitation.
✔︎  Standard 3/4 in garden-hose inlet and 3/8 in brass quick-connect discharge — check that your hoses and fittings match.
✔︎  Accepts inlet water up to 165°F and runs 37 oz of 30W non-detergent oil — add the optional thermal relief valve (85.300.023) for long bypass runs.
✔︎  Light freight at 42 lbs — ships boxed and easy to handle by one person.

Full Specifications

Specification Details
Unloader External (85.300.033)
Thermal Relief Valve Optional (85.300.023)
Soap Injector Adjustable (85.400.000)
RPM 1,750
Drive Type Gas / Electric Compatible
Inlet 3/4 in GHF (Garden Hose Fitting)
Pump Manufacturer General Pump (GP)
Pump Model TSF2021
Pump Style Triplex, Belt Drive
Max Pressure 4,000 PSI
Max Flow Rate 8.5 GPM
Shaft Size 24 mm Solid
Plunger Ceramic
Manifold Brass
Discharge 3/8 in Brass QC (85.300.108)
Max Inlet Temp 74°C / 165°F
Oil Capacity 37 oz
Oil Type 30W Non-Detergent
Bare Pump Part Number 85.130.071
Unit Weight 42 lbs
Warranty 5 Years

 

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Built like a tank VERIFIED
★★★★★

Built like a tank

It handles my F-250 like it's nothing. 12,000 lb capacity gives me confidence with the heavy trucks. Best investment I've made for my garage.

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Kevin Durk

Dallas, TX

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Best investment for my garage VERIFIED
★★★★★

Best investment for my garage

I've always worried about dust, moisture, and dings. This solved all of that. The airflow keeps everything clean and dry inside.

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Mike Johnson

Houston, TX

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Easiest garage upgrade I've ever done VERIFIED
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Easiest garage upgrade I've ever done

These tiles just snap together, no glue, no tools, no prep. Whole two-car garage done in one afternoon. Cleans up with just a hose.

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Sarah Wallis

Tampa, FL

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Worth every penny VERIFIED
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Worth every penny

Bought the MEC10 to dig trenches on my property. Compact enough to fit through my gate but digs almost 66 inches. Saved me thousands vs. hiring out.

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Travis Murry

Chicago, IL

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