Brook Crompton W Series Cast Iron Motors

IE3 & IE4 Efficiency

The Brook Crompton W Series Cast Iron motor is available from 0.75–375kW, delivering high-efficiency performance for demanding industrial applications.

Designed for continuous operation, its robust cast iron construction provides exceptional durability, reliability and long service life where downtime is not an option.

Features
Specifications

Available in Aluminium

W Series Brook Crompton Cast Iron Motor

0.75-375kW

Power Range

80-355

Frame Sizes

IE3 & IE4

Efficiency

Cast Iron

Material

3 Year

Warranty
Why the W Series CI?

W SERIES CAST IRON BENEFITS

Multi-Mount

The unique multi-mount design allows the terminal box to be positioned on the top, left, or right by simply adjusting the feet.

Foot-mounted motors can also be converted to flange-mounted configurations, making installation quicker and allowing the motor to adapt to different application requirements.

Heavy-Duty

Its robust cast iron construction provides increased mechanical strength and durability, making it ideal for demanding applications with long operating hours.

Brook Crompton W Series Cast Iron Benefits

Lower Running Costs

Available in IE3 and IE4 efficiency, the W Series Cast Iron motor can reduce energy consumption and operating costs compared with IE2 and older motors.

A free running cost analysis compares your existing motor with a replacement to calculate estimated annual savings and payback period.

Stock Modifications

In-house mod specialists at BAWCo and Brook Crompton can perform mounting changes, add heaters and thermistors, modify for AC & DC brake kits, plus many more, all within 24 hours.

Applications & Industries

The Brook Crompton W Series Cast Iron motor is widely used across industries where durability, mechanical strength and reliable continuous operation are essential. Its robust cast iron construction makes it ideal for demanding industrial applications requiring long service life and minimal downtime.

With over 40 years of experience supplying the water industry, BAWCo is an approved Yorkshire Water framework supplier, providing WIMES specification motors for critical applications.

Water & Wastewater

Commonly used on clean water pumps, wastewater treatment systems and water processing equipment.

Manufacturing

Suitable for conveyors, process machinery, compressors, mixers and production equipment.

HVAC & Building Services

Commonly used on air-handling units (AHUs), ventilation systems, fans and pumps.

Agriculture

Ideal for irrigation pumps, grain handling equipment and agricultural machinery.

Industrial Processing

Used on pumps, fans and machinery operating in demanding continuous-duty applications.

Cast Iron Electric Motor Industry
OPTIONS & MODIFICATIONS

W SERIES CAST IRON FEATURES

Discover the standard features of the Brook Crompton W Series Cast Iron motor, alongside in-house BAWCo stock modifications (reducing leadtimes), and custom-built options from leading European manufacturers. If you need a Brook Crompton cast iron motor replacement, we can identify the original specification from the serial number and supply a direct replacement with matching modifications.

Standard Features

IP55 rated
Multi-mount (top box, side box)
Cooling- IC411
Steel fan cover
Thermistors 200 – 355
Inverter duty
Insulation class F
Temperature rise class B
WIMES specification
Paint: C3 epoxy paint
Water Blue (RAL 5021)
3-year warranty as standard

Stock Modifications

Cooling- IC410, IC416 & IC418
IP56, IP65, IP66
Anti-condensation heaters 80 – 355
Thermistors 80 – 180
Custom bearings
Special paint systems and colours
Temperature rise class F
Drip-proof canopy
AC & DC brake option
Encoder
Special voltage
Shaft modifications (length, threaded, re-cut keyway)

Custom Builds

Multi-speed
Special shaft / special flange
Insulation class H
Frame size variations
Special paint
Special voltage
Low starting torque
MEPS Australia / New Zealand
575 Volts – Canadian standard
…plus, many more

Brook Crompton W Series CAST IRON

Technical specifications

Custom motors available as factory builds for any speed, frame sizes, or special features not listed
*(BS) Indicates British Standard frame sizes.

Power (kW)SpeedFrame SizeIE RatingMounting Options
0.752 Pole (3000rpm)WP-DF80MMIE3B3, B5, B14, B30, B34, B35
1.12 Pole (3000rpm)WP-DF80MSIE3B3, B5, B14, B30, B34, B35
1.52 Pole (3000rpm)WP-DF90LMXIE3B3, B5, B14, B30, B34, B35
2.22 Pole (3000rpm)WP-DF90LSXIE3B3, B5, B14, B30, B34, B35
32 Pole (3000rpm)WP-DF100LMFIE3B3, B5, B14, B30, B34, B35
42 Pole (3000rpm)WP-DF112MRIE3B3, B5, B14, B30, B34, B35
5.52 Pole (3000rpm)WP-DF132SGIE3B3, B5, B14, B30, B34, B35
7.52 Pole (3000rpm)WP-DF132SMXIE3B3, B5, B14, B30, B34, B35
112 Pole (3000rpm)WP-DF160MJIE3B3, B5, B14, B30, B34, B35
152 Pole (3000rpm)WP-DF160MRIE3B3, B5, B14, B30, B34, B35
18.52 Pole (3000rpm)WP-DF160LTIE3B3, B5, B14, B30, B34, B35
222 Pole (3000rpm)WP-DF180MFIE3B3, B5, B30, B35
302 Pole (3000rpm)WP-UDF200LNXIE3B3, B5, B30, B35
372 Pole (3000rpm)WP-UDF200LPXIE3B3, B5, B30, B35
452 Pole (3000rpm)WP-UDF225MNIE3B3, B5, B30, B35
552 Pole (3000rpm)WP-UDF250MNEIE3B3, B5, B30, B35
752 Pole (3000rpm)WP-UDF280SNEIE3B3, B5, B30, B35
902 Pole (3000rpm)WP-UDF280MNEIE3B3, B5, B30, B35
1102 Pole (3000rpm)WP-UDF315SNEIE3B3, B5, B35
1322 Pole (3000rpm)WP-UDF315MNEIE3B3, B5, B35
1502 Pole (3000rpm)WP-UDF315MNIE3B3, B5, B35
1602 Pole (3000rpm)WP-UDF315MPIE3B3, B5, B35
1852 Pole (3000rpm)WP-UDF315LNIE3B3, B5, B35
2002 Pole (3000rpm)WP-UDF315LPIE3B3, B5, B35
2252 Pole (3000rpm)WP-UDF355SGIE3B3, B5, B35
2502 Pole (3000rpm)WP-UDF355SJIE3B3, B5, B35
2802 Pole (3000rpm)WP-UDF355SNIE3B3, B5, B35
3152 Pole (3000rpm)WP-UDF355MJIE3B3, B5, B35
3552 Pole (3000rpm)WP-UDF355MNIE3B3, B5, B35
3752 Pole (3000rpm)WP-UDF355LNIE3B3, B5, B35
0.754 Pole (1500rpm)WP-DF80MSIE3B3, B5, B14, B30, B34, B35
1.14 Pole (1500rpm)WP-DF90LTXIE3B3, B5, B14, B30, B34, B35
1.54 Pole (1500rpm)WP-DF90LWXIE3B3, B5, B14, B30, B34, B35
2.24 Pole (1500rpm)WP-DF100LRFIE3B3, B5, B14, B30, B34, B35
34 Pole (1500rpm)WP-DF100LTFIE3B3, B5, B14, B30, B34, B35
44 Pole (1500rpm)WP-DF112MWXIE3B3, B5, B14, B30, B34, B35
5.54 Pole (1500rpm)WP-DF132STXIE3B3, B5, B14, B30, B34, B35
7.54 Pole (1500rpm)WP-DF132MVXIE3B3, B5, B14, B30, B34, B35
114 Pole (1500rpm)WP-DF160MRIE3B3, B5, B14, B30, B34, B35
154 Pole (1500rpm)WP-DF160LUIE3B3, B5, B14, B30, B34, B35
18.54 Pole (1500rpm)WP-DF180MJIE3B3, B5, B30, B35
224 Pole (1500rpm)WP-DF180LMIE3B3, B5, B30, B35
304 Pole (1500rpm)WP-DF200LPXIE3B3, B5, B30, B35
374 Pole (1500rpm)WP-DF225SRIE3B3, B5, B30, B35
454 Pole (1500rpm)WP-DF225MNIE3B3, B5, B30, B35
554 Pole (1500rpm)WP-DF250SPIE3B3, B5, B30, B35
754 Pole (1500rpm)WP-DF250MNIE3B3, B5, B30, B35
904 Pole (1500rpm)WP-DF280SNIE3B3, B5, B30, B35
1104 Pole (1500rpm)WP-DF280MNIE3B3, B5, B30, B35
1324 Pole (1500rpm)WP-DF315SNIE3B3, B5, B35
1504 Pole (1500rpm)WP-DF315MNIE3B3, B5, B35
1604 Pole (1500rpm)WP-DF315MPIE3B3, B5, B35
1854 Pole (1500rpm)WP-DF315LNIE3B3, B5, B35
2004 Pole (1500rpm)WP-DF315LNIE3B3, B5, B35
2254 Pole (1500rpm)WP-DF355SGIE3B3, B5, B35
2504 Pole (1500rpm)WP-DF355SJIE3B3, B5, B35
2804 Pole (1500rpm)WP-DF355SNIE3B3, B5, B35
3154 Pole (1500rpm)WP-DF355MJIE3B3, B5, B35
3554 Pole (1500rpm)WP-DF355MNIE3B3, B5, B35
3754 Pole (1500rpm)WP-DF355LNIE3B3, B5, B35
554 Pole (1500rpm)WP-UDF250MPE (BS)IE3B3, B5, B35
754 Pole (1500rpm)WP-UDF280SNE (BS)IE3B3, B5, B35
904 Pole (1500rpm)WP-UDF280MNE (BS)IE3B3, B5, B35
1104 Pole (1500rpm)WP-UDF315SNE (BS)IE3B3, B5, B35
1324 Pole (1500rpm)WP-UDF315MNE (BS)IE3B3, B5, B35
0.756 Pole (1000rpm)WP-DF90LWXIE3B3, B5, B14, B30, B34, B35
1.56 Pole (1000rpm)WP-DF100LRFIE3B3, B5, B14, B30, B34, B35
2.26 Pole (1000rpm)WP-DF112MWXIE3B3, B5, B14, B30, B34, B35
36 Pole (1000rpm)WP-DF132SMXIE3B3, B5, B14, B30, B34, B35
46 Pole (1000rpm)WP-DF132MTXIE3B3, B5, B14, B30, B34, B35
5.56 Pole (1000rpm)WP-DF132MVXIE3B3, B5, B14, B30, B34, B35
7.56 Pole (1000rpm)WP-DF160MMIE3B3, B5, B14, B30, B34, B35
116 Pole (1000rpm)WP-DF160LVIE3B3, B5, B14, B30, B34, B35
156 Pole (1000rpm)WP-DF180LMIE3B3, B5, B30, B35
18.56 Pole (1000rpm)WP-UDF200LNXIE3B3, B5, B30, B35
226 Pole (1000rpm)WP-UDF200LNIE3B3, B5, B30, B35
306 Pole (1000rpm)WP-UDF225MNIE3B3, B5, B30, B35
376 Pole (1000rpm)WP-UDF250MNEIE3B3, B5, B30, B35
456 Pole (1000rpm)WP-UDF280SNEIE3B3, B5, B30, B35
556 Pole (1000rpm)WP-UDF280MNEIE3B3, B5, B30, B35
756 Pole (1000rpm)WP-UDF315SNEIE3B3, B5, B35
906 Pole (1000rpm)WP-UDF315MNEIE3B3, B5, B35
1106 Pole (1000rpm)WP-UDF315MNIE3B3, B5, B35
1326 Pole (1000rpm)WP-UDF315LNIE3B3, B5, B35
1506 Pole (1000rpm)WP-UDF355SGIE3B3, B5, B35
1606 Pole (1000rpm)WP-UDF355SGIE3B3, B5, B35
1856 Pole (1000rpm)WP-UDF355SJIE3B3, B5, B35
2006 Pole (1000rpm)WP-UDF355SPIE3B3, B5, B35
2256 Pole (1000rpm)WP-UDF355MJIE3B3, B5, B35
2506 Pole (1000rpm)WP-UDF355MNIE3B3, B5, B35
2806 Pole (1000rpm)WP-UDF355LJIE3B3, B5, B35
3156 Pole (1000rpm)WP-UDF355LNIE3B3, B5, B35
376 Pole (1000rpm)WP-DF250SN (BS)IE3B3, B5, B35
456 Pole (1000rpm)WP-DF250MN (BS)IE3B3, B5, B35
556 Pole (1000rpm)WP-DF280SN (BS)IE3B3, B5, B35
756 Pole (1000rpm)WP-DF280MN (BS)IE3B3, B5, B35
906 Pole (1000rpm)WP-DF315SN (BS)IE3B3, B5, B35
2.28 Pole (750rpm)WP-DF132STXIE3B3, B5, B14, B30, B34, B35
38 Pole (750rpm)WP-DF160MEIE3B3, B5, B14, B30, B34, B35
48 Pole (750rpm)WP-DF160MMIE3B3, B5, B14, B30, B34, B35
5.58 Pole (750rpm)WP-DF160MVIE3B3, B5, B14, B30, B34, B35
7.58 Pole (750rpm)WP-DF160LXIE3B3, B5, B14, B30, B34, B35
118 Pole (750rpm)WP-DF180LRIE3B3, B5, B30, B35
158 Pole (750rpm)WP-DF200LNIE3B3, B5, B30, B35
18.58 Pole (750rpm)WP-DF225SNIE3B3, B5, B30, B35
228 Pole (750rpm)WP-DF225MNIE3B3, B5, B30, B35
308 Pole (750rpm)WP-DF250SNIE3B3, B5, B30, B35
378 Pole (750rpm)WP-DF250MNIE3B3, B5, B30, B35
458 Pole (750rpm)WP-DF280SNIE3B3, B5, B30, B35
558 Pole (750rpm)WP-DF280MNIE3B3, B5, B30, B35
758 Pole (750rpm)WP-DF315SNIE3B3, B5, B35
908 Pole (750rpm)WP-DF315MNIE3B3, B5, B35
1108 Pole (750rpm)WP-DF315LNIE3B3, B5, B35
1328 Pole (750rpm)WP-DF355SJIE3B3, B5, B35
1508 Pole (750rpm)WP-DF355SNIE3B3, B5, B35
1608 Pole (750rpm)WP-DF355SNIE3B3, B5, B35
1858 Pole (750rpm)WP-DF355MJIE3B3, B5, B35
2008 Pole (750rpm)WP-DF355MNIE3B3, B5, B35
2258 Pole (750rpm)WP-DF355LNIE3B3, B5, B35
308 Pole (750rpm)WP-UDF250MNE (BS)IE3B3, B5, B35
378 Pole (750rpm)WP-UDF280SNE (BS)IE3B3, B5, B35
458 Pole (750rpm)WP-UDF280MNE (BS)IE3B3, B5, B35
558 Pole (750rpm)WP-UDF315SNE (BS)IE3B3, B5, B30, B35
758 Pole (750rpm)WP-UDF315MNE (BS)IE3B3, B5, B30, B35
Power (kW)SpeedFrame SizeIE RatingMounting Options
752 Pole (3000rpm)WSP-UDF280SNFIE4B3, B5, B35
902 Pole (3000rpm)WSP-UDF280MPIE4B3, B5, B35
1102 Pole (3000rpm)WSP-UDF315SNFIE4B3, B5, B30, B35
1322 Pole (3000rpm)WSP-UDF315MNFIE4B3, B5, B30, B35
1602 Pole (3000rpm)WSP-UDF315MPFIE4B3, B5, B30, B35
2002 Pole (3000rpm)WSP-UDF315LRIE4B3, B5, B30, B35
902 Pole (3000rpm)WSP-DF280SPF (BS)IE4B3, B5, B35
1322 Pole (3000rpm)WSP-DF315SNF (BS)IE4B3, B5, B30, B35
1602 Pole (3000rpm)WSP-DF315MPF (BS)IE4B3, B5, B30, B35
2002 Pole (3000rpm)WSP-DF315LR (BS)IE4B3, B5, B30, B35
754 Pole (1500rpm)WSP-UDF280SNFIE4B3, B5, B35
904 Pole (1500rpm)WSP-UDF280MPIE4B3, B5, B35
1104 Pole (1500rpm)WSP-UDF315SNFIE4B3, B5, B30, B35
1324 Pole (1500rpm)WSP-UDF315MPIE4B3, B5, B30, B35
1604 Pole (1500rpm)WSP-UDF315MPFIE4B3, B5, B30, B35
2004 Pole (1500rpm)WSP-UDF315LRIE4B3, B5, B30, B35
904 Pole (1500rpm)WSP-DF280SPF (BS)IE4B3, B5, B35
1324 Pole (1500rpm)WSP-DF315SPF (BS)IE4B3, B5, B30, B35
1604 Pole (1500rpm)WSP-DF315MPF (BS)IE4B3, B5, B30, B35
2004 Pole (1500rpm)WSP-DF315LR (BS)IE4B3, B5, B30, B35
756 Pole (1000rpm)WSP-UDF315SJFIE4B3, B5, B30, B35
906 Pole (1000rpm)WSP-UDF315MPIE4B3, B5, B30, B35
1106 Pole (1000rpm)WSP-UDF315MNFIE4B3, B5, B30, B35
1326 Pole (1000rpm)WSP-UDF315LRIE4B3, B5, B30, B35
906 Pole (1000rpm)WSP-DF315SPF (BS)IE4B3, B5, B30, B35
1106 Pole (1000rpm)WSP-DF315MNF (BS)IE4B3, B5, B30, B35
1326 Pole (1000rpm)WSP-DF315LR (BS)IE4B3, B5, B30, B35

Download the Catalogue

Brook Crompton World Series Cast Iron Catalogue

Frequently Asked Questions

Cast iron motors provide greater mechanical strength and durability, making them suited to heavier-duty applications and longer operating hours. Aluminium motors offer a lighter-weight alternative where easier handling and reduced weight are important considerations.

The motor serial number or a clear photo of the nameplate is usually enough for our team to identify the correct specification. We can also help match mounting arrangements, modifications and performance requirements.

Yes, the W Series Cast Iron range is suitable for inverter-driven applications. Pairing the motor with a suitable inverter can provide improved speed control and potential energy savings, particularly on variable load applications such as pumps and fans. BAWCo can supply inverter-rated motors with the correct inverter range details and any required derating information.

Brook Crompton motors can often be repaired depending on their condition, age and application requirements. BAWCo provides motor repairs and servicing to help customers choose the most economical solution, whether that means repairing the existing motor or supplying a replacement where required.

Why Choose BAWCo?

Authorised Distributor

With over 50 years as an authorised Brook Crompton distributor and more than 110 years of motor expertise, BAWCo provides direct manufacturer support, technical advice and access to custom-built motors for specialist applications.

Stock & Fast Delivery

With over £6.5 million in stock, we hold a wide range of motors ready for urgent requirements. Free local delivery is provided by our own vehicles and drivers, with reliable nationwide delivery available through established courier partners.

Motor Replacements

Provide the serial number from your motor’s nameplate, and we can identify the specification and supply a like-for-like Brook Crompton cast iron replacement. Energy-saving analysis, drawings, data sheets and STEP files are available on request to help compare replacement options.

Motor Repairs

From servicing and repairs to complete motor replacements, BAWCo helps you choose the most economical solution for your application. As an authorised AEMT and Brook Crompton repairer, our team of 22 engineers provides specialist motor repair services from our custom-built Bradford facility.

Cast Iron Motor Next Day Stock

Request a Quote

Looking for a new, replacement or modified Brook Crompton W Series Cast Iron motor? Our team can help identify the correct motor specification for your application.

For direct replacements, send us the motor serial number, a photo of the nameplate, or details of the existing mounting arrangement.

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Product Comparison

W Series Aluminium
W Series Cast Iron
WE3 & WE4
Product Range
Premium
Premium
Low Cost
Best for
Lightweight Applications
Harsh Environments
Cost-effective Replacements
Frame Material
Aluminium
Cast Iron
Aluminium & Cast Iron
Efficiency
IE2 & IE3
IE3 & IE4
IE3 & IE4
Power range
0.12 - 22 kW
0.75 - 375 kW
0.12 - 375 kW
Industrial Use
Low Power Critical Applications
Heavy Duty Critical Applications
General Industrial
Warranty
3 Years
3 Years
2 Years
Manufactured
Europe
Europe
China

Still not sure which motor is right for your application? Contact us for expert advice.