• Ace PTOC pump
  • Ace PTOC-1000 performance curve — pressure (psi) vs. flow (gpm)
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Ace Pumps

PTOCSC-1000-21SP-SS — Pump, 1.25" x 1", PTO Driven, 1000 RPM

PTOCSC-1000-21SP-SS — Pump, 1.25" x 1", PTO Driven, 1000 RPM

$1,656.00 USD
$2,208.00 USD $1,656.00 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?

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Part: APPTOCSC-1000-21SP-SS — we'll include the part number and link with your message.

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PTOCSC-1000-21SP-SS PTO-driven centrifugal pump, 1.25" x 1" ports, 21-spline split-bore shaft for 1000 RPM PTO input. Flow rate up to 65 GPM at 80 PSI. Spring-loaded idler maintains belt tension; sealed ball bearings and replaceable mechanical seal; stainless steel wet end. For agricultural spraying and liquid transfer applications.

Build options on this model: stainless steel construction/hardware. Where the list shows standard and optional versions of a part, order the one that matches these options.

Service Parts

Ref. Part No. Description Qty
18 BAC-27 Name plate 1
32 BAC-53 Pipe plug, 1/8" NPT 3
32 41120 Pipe plug, 1/8" NPT, stainless steel 3
33 BAC-12 Volute 1-1/4" x 1", cast iron 1
34 BAC-26-CI Impeller, cast Iron, left hand thread 1
34 BAC-26-VALOX Impeller, Valox, left hand thread 1
35 BAC-4-A O-ring, volute seal 1
36 BAC-7SC Seal, silicon carbide mechanical (includes 40160) 1
37 BAC-42 Cap screw, 3/8" NC x 2" hex head 2
38 BAC-43 Washer, 3/8" flat 2
39 BAC-14-MIA Mounting frame, machined for idler arm 1
40 BAC-15-PIN Alignment pin 2
41 40950 Cap screw, 3/8" NC x 3/4" hex head 4
41 40930 Cap screw, 3/8" NC x 3/4" hex head, stainless steel 4
42 BAC-54 Slinger 1
43 BAC-33 Snap ring, internal, for mounting frame 2
44 BAC-37 Bearing, sealed, for pump shaft 2
45 BAC-32 Snap ring, external, for driven pump shaft 2
46 BAC-32-S Spacer for pump shaft 1
47 BAC-6-SS Shaft, 5/8", left hand course thread, stainless steel 1
48 BAC-50 Key, 3/16" x 3/16" x 1-1/4" 1

PTO Drive

Ref. Part No. Description Qty
1 BAC-10-S Shaft, 1" Tumblerod stub 1
2 BAC-10-175-20SP Shaft, 1-3/4" 20 Tooth PTO spline, includes BAC-11-175 1
3 BAC-10-21SP Shaft, 1 3/8" 21 Tooth PTO spline, includes BAC-11 1
4 40960 Nut, 3/8" NC, jam 3
5 BAC-40 Set screw, 3/8" NC slotted 3
6 BAC-11-175 Locking collar, split ring (for BAC-10-175-20SP shaft) 1
7 BAC-11 Locking collar, split ring (for BAC-10-21SP shaft) 1
8 BAC-11-1 Set screw (for BAC-11 and BAC-11-175 locking collar) 1
9 BAC-10-6SP-QC Shaft, 1-3/8" 6 Tooth PTO spline, for quick coupler 1
10 BAC-83-QC Ball for quick coupler 3
11 BAC-82-QC Spring for quick coupler 1
12 BAC-81-QC Ball retainer sleeve for quick coupler 1
13 41250 Cap screw, 5/16" NC x 3-1/4", hex head 1
14 41300 Set screw, 3/8" NC x 5/8", allen head 2
15 BAC-30-10-M Pulley, 6.375" P.D. x 2" Bore, Poly-V 1
15 BAC-30-175 Pulley, 6.375" P.D x 2-3/8" Bore, Poly-V 1
16 BAC-63 Nut, 5/16" NC, self locking, for tumblerod drive 1
17 BAC-34 Snap ring, internal, BAC-15 bearing housing 2
19 BAC-35 Snap ring, external, BAC-10 drive shaft 1
20 BAC-31-1 Bearing, sealed, BAC-10 drive shaft 2
21 BAC-38-1 Spacer, bearing, BAC-10 shaft 1
22 BAC-44 Washer, 3/8" locking 2
23 BAC-45 Nut, hex, 3/8" NC 2
24 BAC-15 Housing, PTO drive shaft bearing housing 1
24 BAC-15-B Housing, tumblerod drive shaft bearing housing with mounting base 1
25 BAC-10-6SP Shaft, 1-3/8" 6 Tooth PTO spline drive 1
26 BAC-51 Shaft, 3/8" x 1/2" x 1-1/2" key, PTO drive shaft 1
27 40960 Nut, jam, 3/8" NC 3
28 BAC-40 Set screw, 3/8" NC, slotted 3
30 41300 Set screw, 3/8" NC x 5/8", allen head 2
31 BAC-28-10-M Belt, Poly-V, 10 groove 1
49 BAC-57 Cap screw, 5/16" NC x 5/16" allen head, for BAC-29-10 pulley 2
50 BAC-29-10-1.50 Pulley, 1.5" P.D. x 5/8" bore, Poly-V, 10 groove 1
51 BAC-5 Spring, idler mounted torsion 1
52 BAC-13 Idler arm 1
53 BAC-36 Snap ring, external, BAC-13 idler arm 1
54 BAC-46 Spacer, 5/8" 1
55 41070 Retainer ring 1
56 BAC-55 Idler bearing and outer roller assembly 1
57 BAC-47 Cap screw, 5/8" NC x 2 1/8" hex head idler 1
BAC-52 Chain, 1/4" cold shut, torque anchor 1
BAC-58 Zerk fitting, 1/4" NPT, for idler arm 1
BAC-55-A Idler arm assembly (parts 52-57 and BAC-58)
BGKB Belt and shaft guard kit (all PTOC pumps)

Repair Kits

Kit No. Description
RK-PTOC-1000 Repair Kit Assembly

Ace’s sheet covers every PTO drive version; shafts, pulleys and belts marked for a specific model apply only to that model.

This model has the silicon carbide shaft seal — use the silicon carbide seal and repair kit shown.

Parts per Ace Pump Corporation product sheet PTO Belt Driven Centrifugal Pump PTOC SERIES, Suction 1-1/4" - Discharge 1" (Form PTOC, rev 03/13). Not sure which part you need? Send a photo of the pump tag to sales@spraycenter.com or call (509) 838-2209.

Specs & Downloads

The photo shows the PTOC. The PTOCSC-1000-21SP-SS is the same pump with different build options in its model number (such as seal, impeller, ports or motor), so its appearance may differ slightly.

The image gallery includes a performance curve (pressure vs. flow). Click any image to zoom.

Working on a different pump? Use the Pump Finder to identify it and find repair kits and parts.

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