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Remco R880C RollMax 8-Roller Cast Iron Sprayer Pump -- 24.5 GPM, 150 PSI, CCW, 15/16" Shaft

Remco R880C RollMax 8-roller cast iron sprayer pump with 15/16-inch shaft and 1-inch FNPT ports, counter-clockwise rotation, 24.5 GPM
Remco RollMax 8-Roller Sprayer Pump, 24.5 GPM, Cast Iron, CCW Rotation, 15/16" Shaft
 
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List Price: $199.99
: $185.00
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Part Number: R880C
Manufacturer: Remco Industries

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Remco Industries 24.5 GPM / 150 PSI Cast Iron -- CCW Rotation Remco R880C RollMax 8-Roller Cast Iron Sprayer Pump

The R880C delivers maximum-volume roller pump performance for PTO-driven spray systems, nurse tanks, and high-demand liquid transfer. Eight cast iron rollers, a 24.5 GPM flow rate, and a robust 150 PSI pressure rating make this pump the go-to choice for commercial spraying, large-acreage applications, and demanding field conditions.

Maximum-Volume Roller Pump for Serious Spray Work

The Remco RollMax R880C is an 8-roller, cast iron roller pump engineered for high-flow PTO and engine-driven spray systems. Where smaller 4- or 5-roller pumps fall short on volume, the 8-roller design moves liquid at 24.5 GPM while maintaining up to 150 PSI -- giving you the flow rate needed to run multiple boom sections, large nozzle arrays, or high-volume nurse tank transfers without pressure drop.

Cast iron construction stands up to fertilizers, herbicides, insecticides, and other agricultural chemicals that attack lesser materials. The 15/16" keyed shaft and counter-clockwise (CCW) rotation match the output specs of common tractor PTO gearboxes and engine-drive configurations, and 1" FNPT inlet and outlet ports simplify plumbing with standard spray system fittings.

8-Roller Design

More rollers mean smoother, higher-volume flow and reduced pulsation compared to 4- or 6-roller alternatives at the same RPM range.

24.5 GPM Peak Flow

Rated for 24.5 GPM -- enough to run multiple boom sections or fill tanks at speed. Matched to PTO and engine-drive RPM ranges.

150 PSI Max Pressure

150 PSI rating supports boom spraying, high-lift transfer, and spray guns. Always install a pressure relief valve in the circuit.

Cast Iron Body

Durable cast iron housing resists wear from agricultural chemicals, fertilizers, and abrasive liquid concentrates in field conditions.

Why 8 Rollers?

Roller count directly affects both volume and flow smoothness. The R880C's 8-roller configuration produces higher flow per revolution and less pulsation than a 4- or 6-roller pump of equivalent size, making it the preferred choice when you need to maximize output from a given PTO shaft speed.

CCW Rotation and Shaft Compatibility

The R880C is built for counter-clockwise (CCW) rotation -- the standard output direction for many tractor-side PTO gearboxes and belt/chain-driven spray pump setups. Confirm your drive's rotation direction before ordering. Running a CCW pump in CW rotation will not move fluid and can damage the pump body.

The 15/16" keyed shaft is a common PTO and engine-drive interface for this pump class. Verify your coupler or hub bore matches 15/16" before assembly. Couplers, shaft keys, and mounting hardware are not included with the pump body unless ordered as part of the R880C-TAK complete kit (see below).

Also Available: R880C-TAK Complete Kit

If you need a ready-to-mount package, the R880C-TAK includes the R880C pump body plus the coupling, shaft key, and mounting components needed for a complete installation. Order the pump body (R880C) if you are replacing a pump in an existing mount; order the TAK kit for a new build.

Port and Plumbing Specs

Both the inlet and outlet ports are 1" FNPT (female National Pipe Thread). This is a standard fitting size in agricultural and industrial spray plumbing. Most spray system hose barbs, ball valves, and manifolds thread directly into 1" FNPT without adapters. Use PTFE thread tape or pipe dope rated for the chemicals you are pumping.

Pressure Relief Valve Required

Roller pumps are positive-displacement devices. A pressure relief valve must be installed in the discharge circuit to protect the pump, plumbing, and hoses from over-pressure if a nozzle or valve is closed while the pump is running. Failure to install a relief valve can result in hose failure or pump damage.

Typical Applications

  • PTO-driven tractor spray systems (boom, boomless, and spot sprayers)
  • Engine-driven skid sprayers and nurse tank units
  • Herbicide and pesticide application on large acreage
  • Liquid fertilizer transfer and application
  • High-volume liquid transfer between tanks
  • Fire suppression skid units requiring sustained high flow

Maintenance Tips

  • Flush the pump with clean water after each use, especially when handling fertilizers or corrosive concentrates.
  • Never run the pump dry -- rollers depend on liquid lubrication. Prime before starting.
  • Inspect rollers for flat spots or wear at the start of each season. A worn roller set reduces flow and increases pulsation.
  • Store the pump winterized and drained. Use RV-safe antifreeze or blow out with compressed air if freezing temperatures are expected.
  • Check the shaft coupler set screw torque after the first few hours of operation.

Pump Specifications

ManufacturerRemco Industries
Model / Part NumberR880C
SeriesRollMax
Roller Count8 rollers
Body MaterialCast iron
Max Flow Rate24.5 GPM
Max Pressure150 PSI
Rotation DirectionCounter-clockwise (CCW) -- viewed from shaft end
Shaft Diameter15/16"
Shaft TypeKeyed
Inlet Port1" FNPT
Outlet Port1" FNPT

Drive and Installation

Drive TypePTO or engine-belt/chain drive
RotationCCW -- confirm drive direction before installation
Shaft Interface15/16" keyed shaft -- match coupler bore accordingly
Relief ValveExternal -- required, not included
Plumbing Standard1" NPT (standard agricultural spray fittings)

Kit and Accessory Options

Pump Body OnlyR880C (this item)
Complete KitR880C-TAK (pump + coupling + mounting hardware)

Fluid Compatibility

Herbicides / PesticidesCompatible -- flush after use
Liquid FertilizersCompatible -- flush after use; corrosive residues shorten seal life if left standing
WaterCompatible
Gasoline / PetroleumNot recommended -- consult Remco for solvent-rated seal options
Abrasive LiquidsCast iron body provides wear resistance; avoid high-grit slurries

What Is Included

IncludedR880C pump body
Not IncludedCoupler, shaft key, mounting bracket, relief valve, fittings, hose -- order R880C-TAK for complete hardware kit

Important Information -- Read Before Installing

  • Confirm rotation direction before mounting. The R880C is CCW rotation only (viewed from the shaft end). Installing on a CW drive will not pump fluid and may damage the pump.
  • A pressure relief valve is mandatory. This is a positive-displacement pump. Without a relief valve in the circuit, closing any downstream valve while running can over-pressurize hoses, fittings, and the pump body.
  • Never run dry. Roller pumps require liquid to lubricate the rollers. Dry running causes rapid roller and rotor wear and voids any warranty.
  • Verify shaft bore. Your coupler or hub must accept a 15/16" keyed shaft. Do not use reducers or adapters that introduce misalignment.
  • Chemical compatibility: Not all seal compounds are compatible with all chemicals. Confirm fluid compatibility before use, particularly with solvents or petroleum-based products.
  • Couplers, keys, and mounting hardware are not included with the R880C pump body. Order the R880C-TAK kit if you need a complete assembly package.
  • Winterize before freezing temperatures. Drain or blow out the pump completely. Water left in the pump body can freeze and crack the cast iron housing.


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