• Ace FMCWS-255FS-HYD-304-PWM centrifugal pump
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Ace Pumps

FMCWS-255FS-HYD-304-PWM — Pump, Hydraulic, 300 x 220 Flange, Wet Seal, PWM

FMCWS-255FS-HYD-304-PWM — Pump, Hydraulic, 300 x 220 Flange, Wet Seal, PWM

$3,698.40 USD
$6,164.00 USD $3,698.40 USD
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Special order — allow about 2 weeks for shipping. Need it faster? Call (509) 838-2209 and we’ll check availability.
Special-order items may be non-returnable.

Questions on fitment? Need a different size or quantity?

Talk to Shayne, Brett or Jordan: real people who work on sprayers. Meet the crew
(509) 838-2209 Mon–Fri 9 AM–5 PM Pacific · Spokane, WA
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Backorder request — tell us how many you need. We’ll confirm price and lead time before ordering; nothing is charged until you approve.

Part: APFMCWS-255FS-HYD-304-PWM — we'll include the part number and link with your message.

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FMCWS-255FS-HYD-304-PWM hydraulic-driven centrifugal pump, 300 x 220 flange ports, Oasis WetSeal barrier-fluid seal technology, proportional (PWM) hydraulic flow control compatible. For agricultural spraying and liquid transfer applications.

Service Parts

Ref. Part No. Description Qty
1 BAC-53 Pipe plug 3
1 41120 Pipe plug, stainless steel (optional) 3
2A BAC-12-255-FLG Volute, cast iron, 300 x 220 flanged, E-coated 1
2B BAC-12-255-FLG-SS Volute, stainless steel, 300 x 220 flanged 1
3 BAC-4-150 O-ring, body seal 2
4 BAC-23-B-SS Nut, 3/8" NF, SS 1
5 BAC-24-B-SS Washer, 3/8" SS, vibration proof 1
6 BAC-26-255-P Impeller, thermoplastic, keyway 1
7 72762 Bolt, 5/16"-18 x 1-1/4", socket head, SS 4
8A BAC-16 Seal plate, cast iron, e-coated 1
8B BAC-16-SS Seal plate, stainless steel 1
9 41107 Bushing, #8 SAE x 1/4" FNPT, w/ o-ring 2
10 41316 Air valve, 1/4" NPT 1
11 BAC-7-WS Seal, dual seal assembly, Type 21, 5/8" shaft 1
12 BAC-14-5-HYD Mounting frame, cast iron, e-coated 1
13 41330 Cap screw, 5/16"-16 x 3/4", hex head, motor to pump 2
14 BAC-42 Cap screw, 5/16"-16 x 2", hex head 4
15 55851 Sight gauge, #8 SAE, with o-ring 1
16 50150 Pressure gauge, 0-160 PSI, 1/4" NPT 1
17 41108 Plug, #8 SAE, hex head 1
18 BAC-54 Slinger 1
19 BACH-33 Snap ring, internal, mounting frame 2
20 BACH-32-HD Snap ring, external, shaft 3
21 40880 Bearing 2
22 BAC-6-255-HYD-SS-WS Shaft, .625 DIA, 255, SS, WS 1
23 BAC-25 Key, 1/8" x 1/8" x 13/16" SS 1
*33 55032 Barrier fluid, quart

Hydraulic Motor

Ref. Part No. Description Qty
24 S305 Seal support spacer 1
25A BAC-75-HYD-304-PWM Hydraulic motor, integrated PWM valve, 9 GPM (includes 24,25A,26,31A) 1
26 41875 O-ring, #8 SAE fitting 2
31A BAC-78-10X10SAE Reverse check assembly, #10 SAE x #10 SAE, w/ O-ring 1

Repair Kits

Kit No. Description
RK-FMCWS-PRO5 Repair Kit Assembly, PRO5 Wetseal Models
RK-BAC-75-HYD-300-L Repair Kit Assembly, 300 Hydraulic Motor

Parts per Ace Pump Corporation product sheet FMCWS-255F-HYD. Not sure which part you need? Send a photo of the pump tag to sales@spraycenter.com or call (509) 838-2209.

Specs & Downloads

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