Wheatley HP125 (110Q-3) Plunger Pump
IEQ is an OEM supplier of the Wheatley HP125 (110Q-3) Pump. Let the friendly customer service staff at IEQ Industries help you find the Wheatley Pump you need.

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Specifications
Pump Size:
maximum plunger size x stroke length, in.(mm)
3.000 x 3.500 (76.2 x 88.9)
Rated BPH:(kW) at 435 RPM (Crankshaft speed)
102 (76)
Rated plunger load: pounds (kg)
4760 (2159)
Maximum discharge pressure: psi (kPa)
"L" model: 970 (6686)
"M" model: 2295 (15825)
"MS" model: 4789 (33017)
"H" model: 10000 (68948)
Crankshaft extension:
Diameter, in.(mm): 2.500 (63.5)
Length, in.(mm): 5.250 (133.35)
Keyway width x depth, in.(mm):
5/8 x 5/16 (15.875 x 7.938)
Maximum recommended sheave diameter, in.(mm):
38 (965.2)
For larger sizes: Contact IEQ
Oil Capacity: gallons (L)
Crankcase: 5 (18.93)
Weight: pump only on wood shipping skids, pounds (kg)
"L" model: 1620 (735)
"M" model: 1450 (658)
"MS" model: 1600 (726)
"H" model: 1700 (771)
Standard Materials for Fluid Ends:
"L" model
Cast Ductile Iron
Cast Nickel-Aluminum-Bronze
Cast Duplex Stainless Steel
Forged/Plate Carbon Steel
"M" model
Cast Ductile Iron
Cast Nickel-Aluminum-Bronze
Cast Duplex Stainless Steel
Forged/Plate Carbon Steel
"MS" model
Forged Nickel-Aluminum-Bronze
Forged 316 Stainless Steel
Forged/Plate Carbon Steel
"H" model
Forged 15-5 Stainless Steel
Pump Model | Flange Connections | Dimensions (Inches) | ||||||
Discharge Connection Sizes | Suction Connection Sizes | A | B | C | D | E | F | |
110Q-3L | 3 (76.2)-ANSI 600 FF | 6 (152.4)-ANSI 150 FF | 5 | 7 1/4 | 29 | 28 | 41 5/8 | 9 7/8 |
110Q-3M | 2 (50.8)-11 1/2 NPT |
3 (76.2)-8 NPT | 3 7/16 | 5 3/4 | 30 | 27 3/16 | 40 7/8 | 8 1/8 |
110Q-3MS | 2 (50.8)-11 1/2 NPT | 3 (76.2)-8 NPT | 4 9/16 | 5 3/4 | 26 1/2 | 26 7/8 | 40 1/8 | 8 7/8 |
110Q-3H | 1 (25.4)-11 1/2 NPT | 1 1/2 (38.1)-11 1/2 NPT | 3 7/8 | 4 3/8 | 28 | 25 3/4 | 39 7/8 | 7 3/4 |
Performance Data
PUMP | English Units | 100* RPM | 200 RPM | 250 RPM | 300 RPM | 350 RPM | 440 RPM | ||||||||||
Plunger Dia. In. | Plunger Area Sq. In. | BPD per RPM | GPM per RPM | Max. Press. PSI | BPD | GPM | BPD | GPM | BPD | GPM | BPD | GPM | BPD | GPM | BPD | GPM | |
110Q-3L (HP125AL) | 3.000 | 7.0686 | 18.3599 | 0.5355 | 720 | 1836 | 53.5 | 3672 | 107.1 | 4590 | 133.9 | 5508 | 160.6 | 6426 | 187.4 | 8079 | 235.6 |
2.875 | 6.4918 | 16.8618 | 0.4918 | 733 | 1687 | 49.2 | 3373 | 98.4 | 4216 | 123.0 | 5059 | 147.5 | 5902 | 172.1 | 7420 | 216.4 | |
2.750 | 5.9396 | 15.4274 | 0.4500 | 801 | 1543 | 45.0 | 3086 | 90.0 | 3857 | 112.5 | 4629 | 135.0 | 5400 | 157.5 | 6789 | 198.0 | |
2.625 | 5.4119 | 14.0568 | 0.4100 | 880 | 1406 | 41.0 | 2812 | 82.0 | 3515 | 102.5 | 4218 | 123.0 | 4920 | 143.5 | 6186 | 180.4 | |
2.500 | 4.9087 | 12.7500 | 0.3719 | 970 | 1275 | 37.2 | 2550 | 74.4 | 3188 | 93.0 | 3825 | 111.6 | 4463 | 130.2 | 5610 | 163.6 | |
110Q-3M (HP125AM) | 2.500 | 4.9087 | 12.7500 | 0.3719 | 970 | 1275 | 37.2 | 2550 | 74.4 | 3188 | 93.0 | 3825 | 111.6 | 4463 | 130.2 | 5610 | 163.6 |
2.375 | 4.4301 | 11.5068 | 0.3356 | 1074 | 1151 | 33.6 | 2302 | 67.1 | 2877 | 83.9 | 3453 | 100.7 | 4028 | 117.5 | 5064 | 147.7 | |
2.250 | 3.9761 | 10.3275 | 0.3012 | 1197 | 1033 | 30.1 | 2066 | 60.2 | 2582 | 75.3 | 3099 | 90.4 | 3615 | 105.4 | 4545 | 132.5 | |
2.125 | 3.5466 | 9.2118 | 0.2687 | 1342 | 922 | 26.9 | 1843 | 53.7 | 2303 | 67.2 | 2764 | 80.6 | 3225 | 94.0 | 4054 | 118.2 | |
2.000 | 3.1416 | 8.1600 | 0.2380 | 1515 | 816 | 23.8 | 1632 | 47.6 | 2040 | 59.5 | 2448 | 71.4 | 2856 | 83.3 | 3591 | 104.7 | |
1.875 | 2.7612 | 7.1718 | 0.2092 | 1724 | 718 | 20.9 | 1435 | 41.8 | 1793 | 52.3 | 2152 | 62.8 | 2511 | 73.2 | 3156 | 92.0 | |
1.750 | 2.4053 | 6.2475 | 0.1822 | 1979 | 625 | 18.2 | 1250 | 36.4 | 1562 | 45.6 | 1875 | 54.7 | 2187 | 63.8 | 2749 | 80.2 | |
1.625 | 2.0739 | 5.3869 | 0.1571 | 2295 | 539 | 15.7 | 1078 | 31.4 | 1347 | 39.3 | 1617 | 47.1 | 1886 | 55.0 | 2371 | 69.1 | |
110Q-3MS (HP125MS) | 1.500 | 1.7671 | 4.5900 | 0.1339 | 2694 | 459 | 13.4 | 918 | 26.8 | 1148 | 33.5 | 1377 | 40.2 | 1607 | 46.9 | 2020 | 58.9 |
1.375 | 1.4849 | 3.8569 | 0.1125 | 3206 | 386 | 11.2 | 722 | 22.5 | 965 | 28.1 | 1158 | 33.7 | 1350 | 39.4 | 1698 | 49.5 | |
1.250 | 1.2272 | 3.1875 | 0.0930 | 3879 | 319 | 9.3 | 638 | 18.6 | 797 | 23.2 | 957 | 27.9 | 1116 | 32.5 | 1403 | 40.9 | |
1.125 | 0.9940 | 2.5819 | 0.0753 | 4789 | 259 | 7.5 | 157 | 15.1 | 646 | 18.8 | 775 | 22.6 | 904 | 26.4 | 1137 | 33.1 | |
110Q-H (HP125H) | 1.000 | 0.7854 | 2.0400 | 0.0595 | 6061 | 204 | 5.9 | 408 | 11.8 | 510 | 14.9 | 612 | 17.8 | 714 | 20.8 | 898 | 26.2 |
0.875 | 0.6013 | 1.5619 | 0.0456 | 7916 | 157 | 4.6 | 313 | 9.1 | 391 | 11.4 | 469 | 13.7 | 547 | 15.9 | 688 | 20.0 | |
0.750 | 0.4418 | 1.1475 | 0.0335 | 10000 | 115 | 3.3 | 230 | 6.7 | 287 | 8.4 | 345 | 10.0 | 402 | 11.7 | 505 | 14.7 | |
Brake Horsepower required | 25 | 50 | 63 | 75 | 87 | 110 |
PUMP | Metric Units | 100 * RPM | 200 RPM | 250 RPM | 300 RPM | 350 RPM | 440 RPM | ||||||||||
Plunger Dia. mm | Plunger Area cm2 | M3/Hr per RPM | L/Sec. per RPM | Max. Press. kPa | M3/Hr | L/Sec. | M3/Hr | L/Sec. | M3/Hr | L/Sec. | M3/Hr | L/Sec. | M3/Hr | L/Sec. | M3/Hr | L/Sec. | |
110Q-3L (HP125AL) | 76 | 45.604 | 0.1216 | 0.0338 | 4643 | 12.2 | 3.4 | 24.3 | 6.8 | 30.4 | 8.45 | 36.5 | 10.14 | 42.6 | 11.82 | 53.5 | 14.9 |
73 | 41.883 | 0.1117 | 0.0310 | 5055 | 11.2 | 3.1 | 22.3 | 6.2 | 27.9 | 7.76 | 33.5 | 9.31 | 39.1 | 10.86 | 49.1 | 13.7 | |
70 | 38.320 | 0.1022 | 0.0284 | 5526 | 10.2 | 2.8 | 20.4 | 5.7 | 25.5 | 7.10 | 30.7 | 8.52 | 35.8 | 9.94 | 45.0 | 12.5 | |
67 | 34.915 | 0.0931 | 0.0259 | 6064 | 9.3 | 2.6 | 18.6 | 5.2 | 23.3 | 6.47 | 27.9 | 7.76 | 32.6 | 9.05 | 41.0 | 11.4 | |
64 | 31.669 | 0.0845 | 0.0235 | 6686 | 8.4 | 2.3 | 16.9 | 4.7 | 21.1 | 5.87 | 25.3 | 7.04 | 29.6 | 8.21 | 37.2 | 10.3 | |
110Q-3M (HP125AM) | 64 | 31.669 | 0.0845 | 0.0235 | 6686 | 8.4 | 2.3 | 16.9 | 4.7 | 21.1 | 5.87 | 25.3 | 7.04 | 29.6 | 8.21 | 37.2 | 10.3 |
60 | 28.581 | 0.0762 | 0.0212 | 7408 | 7.6 | 2.1 | 15.2 | 4.2 | 19.1 | 5.29 | 22.9 | 6.35 | 26.7 | 7.41 | 33.5 | 9.3 | |
57 | 25.652 | 0.0684 | 0.0190 | 8254 | 6.8 | 1.9 | 13.7 | 3.8 | 17.1 | 4.75 | 20.5 | 5.70 | 23.9 | 6.65 | 30.1 | 8.4 | |
54 | 22.881 | 0.0610 | 0.0170 | 9254 | 6.1 | 1.7 | 12.2 | 3.4 | 15.3 | 4.24 | 18.3 | 5.09 | 21.4 | 5.93 | 26.8 | 7.5 | |
51 | 20.268 | 0.0540 | 0.0150 | 10447 | 5.4 | 1.5 | 10.8 | 3.0 | 13.5 | 3.75 | 16.2 | 4.50 | 18.9 | 5.26 | 23.8 | 6.6 | |
48 | 17.814 | 0.0475 | 0.0132 | 11886 | 4.8 | 1.3 | 9.5 | 2.6 | 11.9 | 3.30 | 14.3 | 3.96 | 16.6 | 4.62 | 20.9 | 5.8 | |
44 | 15.518 | 0.0414 | 0.0115 | 13645 | 4.1 | 1.1 | 8.3 | 2.3 | 10.3 | 2.87 | 12.4 | 3.45 | 14.5 | 4.02 | 18.2 | 5.1 | |
41 | 13.380 | 0.0357 | 0.0099 | 15825 | 3.6 | 1.0 | 7.1 | 2.0 | 8.9 | 2.48 | 10.7 | 2.97 | 12.5 | 3.47 | 15.7 | 4.4 | |
110Q-3MS (HP125MS) | 38 | 11.401 | 0.0304 | 0.0084 | 18572 | 3.0 | 0.8 | 6.1 | 1.7 | 7.6 | 2.11 | 9.1 | 2.53 | 10.6 | 2.96 | 13.4 | 3.7 |
35 | 9.580 | 0.0255 | 0.0071 | 22102 | 2.6 | 0.7 | 5.1 | 1.4 | 6.4 | 1.77 | 7.7 | 2.13 | 8.9 | 2.48 | 11.2 | 3.1 | |
32 | 7.917 | 0.0211 | 0.0059 | 26744 | 2.1 | 0.6 | 4.2 | 1.2 | 5.3 | 1.47 | 6.3 | 1.76 | 7.4 | 2.05 | 9.3 | 2.6 | |
29 | 6.413 | 0.0171 | 0.0048 | 33017 | 1.7 | 0.5 | 3.4 | 1.0 | 4.3 | 1.19 | 5.1 | 1.43 | 6.0 | 1.66 | 7.5 | 2.1 | |
110Q-H (HP125H) | 25 | 5.067 | 0.0135 | 0.0038 | 41787 | 1.4 | 0.4 | 2.7 | 0.8 | 3.4 | 0.94 | 4.1 | 1.13 | 4.7 | 1.31 | 5.9 | 1.7 |
22 | 3.879 | 0.0103 | 0.0029 | 54579 | 1.0 | 0.3 | 2.2 | 0.6 | 2.6 | 0.72 | 3.1 | 0.86 | 3.6 | 1.01 | 4.6 | 1.3 | |
19 | 2.850 | 0.0076 | 0.0021 | 68948 | 0.8 | 0.2 | 1.5 | 0.4 | 1.9 | 0.53 | 2.3 | 0.63 | 2.7 | 0.74 | 3.3 | 0.9 | |
Kilowatts Required | 19 | 37 | 44 | 56 | 65 | 82 |
*Operation below 150 RPM requires an"optional" externally-mounted auxiliary lubrication system.
Volumetric Rate is based on 100% Volumetric Efficiency. Brake Horsepower/Kilowatts Required is based on 90% Mechanical Efficiency.