Smarter ABS. Faster Diagnostics. The next-generation trailer ABS platform designed to reduce downtime, simplify diagnostics, mprove fleet uptime. With an ever-expanding product line, there is a kit available to our fleet’s needs. See the full lineup and learn more at Gen2ABS.com Trailer Anti-Lock Braking System Why Fleets Choose Gen2: Easy drop-in replacement for existing units Dramatically lower cost of operation and maintenance Approved by major trailer OEMs Industry-leading reaction time and stopping distance No external software required for diagnostics and fault codes Unparalleled trailer monitoring and faster troubleshooting VEHICLE CONTROL SYSTEMS ABS • Roll Stability Control • Traction Control CATALOG NUMBER 01 2S / 1M 2 Sensors / 1 Modulator Replaces 4S / 1M 4 Sensors / 1 Modulator Replaces 4S/2M Benefits: MODULATOR REPLACEMENT VALVE Replaces Smarter ABS. Faster Diagnostics. The next-generation trailer ABS platform designed to reduce downtime, simplify diagnostics, and improve fleet uptime. h an ever-expand line, there is a kit available to fulfill your fleet’s needs. See the full lineup and learn more at Gen2ABS.com Trailer Anti-Lock Braking System Why Fleets Choose Gen2: Easy drop-in replacement for Dramatically lower cost of Approved by major trailer OEMs Industry-leading reaction time and stopping distance No external software required for diagnostics and fault codes Unparalleled trailer monitoring and faster troubleshooting ▪ Lighter ▪ Eliminate Flat Spotting ▪ Shorter Stopping Distance ▪ Tank Mount GBGEN2-1010 GBGEN2-1031 GBGEN2-0330 4005001010 4005001030 4721950330
2 MIDWEST WHEEL COMPANIES HALDEX ABS KITS - TRAILER 2S/1M Kits (New Trailer) Single Axle (2 Sensors) Features: ▪ New Trailer Placement ▪ For Non−Steer Axles ▪ Patented FFABS Valve with integral Spring Brake Control function ▪ Pre−installed Reservoir Nipple with swivel and lock−nut feature assures easy serviceability ▪ ECU and ABS Valve designed to be serviced separately P/N Valve Specifications Kit Contents other than Valve/ECU Assemblies 4-Port, 3/4” Nipple 12V, 3/8” Ports, Spring Brake Priority 20x12M Power Cord, 2.5M Full Sensors (90°) & Clips 4-Port, 3/4” Nipple, 12V, 3/8” Ports, Spring Brake Priority 20x12M Power Cord, ABS Light Kit, 2.5M Sensor Extensions 4-Port, 3/4” Nipple, 12V, 3/8” Ports, Spring Brake Priority 2.5M Sensor Extensions Typical − Shown 2S/1M ABS Kits (Universal Replacement) Single Axle (2 Sensors) Features: ▪ Competitive Replacement ▪ For Non−Steer Axles ▪ Cost Effective solution for competitive system change−out ▪ ECU and ABS Valve designed to be serviced separately P/N Valve Specifications Kit Contents other than Valve/ECU Assemblies 6-Port, 1/2” Res. Port, 12V, 3/8” Control, 3/8” Delivery 6.0M Power Cord Extension, 3.0M Sensor Extensions 6-Port, 1/2” Res. Port, 12V, 3/8” Control, 3/8” Delivery 6.0M Power Cord Extension, 2.0M Sensor Extensions Typical − Shown 4S/2M ABS Kits (Universal Replacement) 2 Axle System (4 Sensors) Features: ▪ Cost Effective solution for competitive system replacement ▪ ECU and ABS Valve designed to be serviced separately ▪ Patented FFABS Valve with integral Spring Brake Control function ▪ Pre−installed Reservoir Nipple with swivel and lock−nut feature assures easy serviceability P/N Valve Specifications Kit Contents other than Valve/ECU Assemblies 2−Port, 3/4” Nipple, 12V, 3/8” Ports, Spring Brake Priority 6.0M Power Cord Extension, 1.5M & 2.5M Sensor Extensions 2-Port Relay Valve, 2.0M Relay Valve Cable, Hose Clips, Cable Grips, Labels Shown VEHICLE CONTROL SYSTEMS MB AQ960208 MB AQ960802 MB AQ961402 MB AQ960503 MB AQ960510 MB AQ965004 AQ960802 AQ960503 AQ963002
3 FAST & EASY ONLINE ORDERING 24/7: MIDWESTWHEEL.COM ABS Relay 2 & 6-Port Delivery FFABS 2 & 4-Port Delivery Features: ▪ Production part number is embossed on metal tag Features: ▪ Patented FFABS Valve with integral Spring Brake Control function ▪ Pre-installed Reservoir Nipple with swivel and lock-nut feature assures easy serviceability ▪ FFABS Valves are standard with filters in both the Control and Supply Ports ▪ Production part number is embossed on metal tag P/N Valve Specifications 2-Port, 1/2” Res. Mount, 12V, 3/8” Ports 6-Port, 1/2” Res. Mount, 12V, 3/8” Ports P/N Valve Specifications 4−Port, 1/2” & 3/4” Nipple, 12V, 3/8” Ports, Service Brake Priority 4−Port, 1/2” & 3/4” Nipple, 12V, 3/8” Ports, Spring Brake Priority 4−Port, 1/2” & 3/4” Nipple, 12V, 3/8” Ports, Service Brake Priority, (4−SB Port) ECU Upgrade Kits Features: ▪ Cost Effective solution for competitive system change−out ▪ ECU and ABS Valve designed to be serviced separately ▪ Patented FFABS Valve with integral Spring Brake Control function ▪ Pre−installed Reservoir Nipple with swivel and lock−nut feature assures easy serviceability P/N Kit Contents 1.0m Power Cord Extension, 0.5m Sensor Extensions, PLC Select ECU & Bracket Typical − Shown Shown Shown Shown Shown Shown HALDEX ABS KITS, CONTINUED HALDEX ABS COMPONENTS VEHICLE CONTROL SYSTEMS ABS ECUs - PLC Select 1M and 2M Features: ▪ Wheel−speed Sensor and Trailer Power connects directly to ECU − no intermediate cables required ▪ Single fastener design assures easy serviceability ▪ Potted ECU Enclosure provides excellent protection from the environment P/N ECU Specifications DIN 12V, SLH−A7 DIN 12V, SLH−A7 ABS Sensors P/N Aftermarket # Description Length 90° 6.6 ft. (2m) Straight 1.6 ft. (0.5m) AUT577.AL1027197 Straight 6.6 ft. (2m) 90° 8.2 ft. (2.5m) Features: ▪ Sensors supplied with A59512309 (OEM #059512309) Retainer Clip AUT577.AL1027196 MB AL10271915 AUT577.A5342 MB AL1027196 MB AL1027197 MB AL364040 MB AL364041 MB AL430614 MB AL430624 MB AL430668 MB AQ964110 MB AL919338 MD AL919348 MB AL364062 AL10271915 AL1027196 AQ964111 AL364040 AL430614 AL919338
4 MIDWEST WHEEL COMPANIES Easy-Stop ECU/Valve Retrofit Kits ABS Modulator Valves ECUs P/N ABS System Application Info Replacement Valve - ECUs 2S/1M Dollies, steerable axles, turntables Contains an Enhanced Easy-Stop ECU/Valve and a power cable adapter for use with the existing Easy-Stop power cable. Contains power cable adapter 2S/1M Standard trailers Contains an Enhanced Easy-Stop ECU/Valve and a power cable adapter for use with the existing Easy-Stop power cable. Contains power cable adapter 2S/1M Standard trailers Contains an Enhanced Easy-Stop ECU/Valve and a power cable adapter for use with the existing Easy-Stop power cable. Contains power/diagnostic cable adapter 2S/2M, 4S/2M Contains an Enhanced Easy-Stop ECU/Valve and a power cable adapter for use with the existing Easy-Stop power cable. Contains power cable adapter P/N Description Kit Contains Single Modulator Valve Replacement Cable GB GEN2-0330 / Modulator Replacement Valve P/N Description Replacement ECU for Replacement ECU for Replacement ECU for Kit designed to retrofit Wabco Easy-Stop to new Enhanced Easy-Stop – if system is already Enhanced Easy-Stop then replacement valve is all that is needed. VEHICLE CONTROL SYSTEMS P/N Description Tractor and Trailer ABS Retainer Tractor and Trailer ABS Clip Tractor and Trailer ABS Sensor Wire Retaining Clip (Black) GR 78333 ABS Lamp 5 Way Terminal Kit for Power Cords 5 Way Terminal Kit for Loom Assemblies Sensor Block (Requires welding in precise location) MB AL920810 Installation Components & Accessories Power Cord Extensions P/N Length 19.7 ft. (6m) 13.1 ft. (4m) Features: ▪ Over−mold design introduced 3Q2009 ABS Sensors Extensions P/N Aftermarket # Length 1.6 ft. (0.5m) 3.3 ft. (1m) 4.9 ft. (1.5m) 6.6 ft. (2m) 8.2 ft. (2.5m) 9.8 ft. (3m) Features: ▪ Use universally with any Haldex Sensor or Sensor Extension to accommodate required length HALDEX ABS COMPONENTS, CONTINUED WABCO TRAILER ABS AUT577.A919802 AUT577.A919803 AUT577.A919804 WB 4006120120 WB 4005001040 WB 4006120000 WB 4005001010 WB 4006120010 WB 4005001010 WB 4006120100 WB 4005001030 WB 4006120090 WB 8946011322 WB 4721950330 WB 4461082010 WB 4005001010 WB 4008506010 WB 4005001030 WB 4461082040 WB 4005001040 AUT577.A99101 WB 4461082010 WB 4461082040 MB AL920809 MB AL920809 MB AL919800 MB AL919902 MB AL919901 MB AL919800 MB AL919801 MB AL919802 MB AL919803 MB AL919804 MB AL919805 MB AL919902 MBA902700 MBA902701 MBAQ15473 MBAQ15474 MBA902701 MBA902700 MBAQ15473 TL 30257Y TL 30257Y
5 FAST & EASY ONLINE ORDERING 24/7: MIDWESTWHEEL.COM Wabash Complete Retrofit Kit 2S/1M System ECU/Valve Assembly, 14’ Power Cable, Sensors with 18” Leads, 6’ Sensor Extension Cables and Sensor Clips VEHICLE CONTROL SYSTEMS WABCO TRAILER ABS, CONTINUED Power Cables P/N Length Application Info 1.65 ft. (.5m) Enhanced Easy-Stop 4-conductor power cable. Available with industry standard harness connector and Enhanced Easy-Stop connector. 3 ft. (1m) 10 ft (3m) 14 ft. (4.7m) 20 ft. (6m) P/N Length Application Info 1.5 ft. (.4m) & 7 ft. (2m) Enhanced Easy-Stop 4-connector “Y” style power/diagnostics cable. Used with diagnostic connector on the trailer. 20 ft. (6m) & 10 ft (3m) Right Angle Sensors P/N Aftermarket # Cable Length Angle Application Info 3 ft. (1m) 90° Installed at wheel ends to measure the motion of a sensed wheel in ABS applications. Sensor kits include sensor with cable leads, sensor clip (S8997598154), grease packet and instruction sheets. When replacing the sensor, you must also replace the sensor clip. 5.6 ft. (1.7m) 90° 5.8 ft. (1.8m) 90° 6.6 ft. (2m) 90° 5.6 ft. (1.7m) 0° 5.8 ft. (1.8m) 0° Sensor Clip P/N Aftermarket # I.D. O.D. Length Application Info 0.63” 16.0 mm 0.71” 18.0 mm 1.18” 30.0 mm Holds sensor in place. Chrome nickel sensor clip. Contains sensor clip and grease packet P/N Cable Length Application Info 16 ft. (5m) Two-wire cable that connects the wheel end sensors to the ECU. Use with all versions of Easy-Stop and Enhanced Easy-Stop 6 ft. (1.8m) 10 ft (3m) 23 ft. (7m) Sensor Extension Cable With Plug WB 4006120160 WB 4493260050 WB 4493260100 WB 4493260300 WB 4493260470 WB 4493260600 WB 4493641020 WB 4493641530 WB 4410309182 WB 4410309152 WB 4410309092 WB 4410309102 WB 4410309172 WB 4410309082 WB 4006120270 WB 4497130500 WB 4497130180 WB 4497130300 WB 4497130700 WB 4461082040 WB 4410309092 WB 4497130500 WB 4006120270 WB 4493641530 WB 4493260050 AUT577.A5336 AUT577.A5328 AUT577.A5341 AUT577.A5342 AUT577.A5338 AUT577.A5338 AUT577.A5458 (S8844903074)
6 MIDWEST WHEEL COMPANIES VEHICLE CONTROL SYSTEMS P/N Body Style Harness Length Connector Type Customers Include 90° 12” DIN Trailer OEMs Straight 90° 75” Peterbilt, Kenworth 90° 63” Volvo, Blue Bird Straight 66” Peterbilt, Kenworth, Volvo 90° 60” DT04 International 90° 40” Straight 75” Straight 40” Straight 61” DT06 - TABS-6™ Harnesses and Cables P/N Description Length WS-24™ Wheel Speed Sensor Extension 60” ECU Pigtail - Standard 2S/1M Power - 234” ECU Pigtail - Advanced MC, 4S/2M or 2S/2M Power - 9” ECU Pigtail - Premium 4S/2M Power - 234”, Modulator - 36”, Sensors - 60”, Diagnostic - 9” TABS-6™ Trailer ABS Module P/N Description Default Configuration Auto-Configurable To: TABS-6™ Standard 2S/1M None TABS-6™ Premium 2S/1M - Dolly 2S/2M-Side; 4S/2M-Side; 4S/3M-Side/Axle • All TABS-6™ Trailer ABS Modules communicate over PLC and have a 4 port relay WS-24™ Wheel Speed Sensors 0° (Straight) 90° Clamping Sleeve P/N Included with all service new WS-24™ Sensors New universal clamping sleeves have a Dynamark symbol stamped as shown. NOTE: Early WS-20™ clamping sleeves have “BW” in a diamond symbol stamped and cannot be used for WS-24™ sensors. Previous Bendix Wheel Speed Sensors (WS-20) The WS-24™ sensor fit and function is compatible with all previous Bendix wheel speed sensors (when used with correct clamping sleeve - see above). Available Options Deutsch DTM06-2S Connector NOTE: Deutsch model number "DTM06-2S" molded into connector body Deutsch DT04-2P Connector NOTE: Deutsch model number “DT04-2P” molded into connector body Standard 2-Pin DIN Barrel Connector MC-12™ Trailer ABS Module Replacements P/N Description MC-12™ ABS Assembly for Trailers w/ 234” 5 Pin ABS Pigtail • The MC-12™ Trailer ABS Modules are no longer available. TABS-6™ kits are available for service. • The MC-12™ was only available in 2S/1M configurations. BENDIX TRAILER ABS BR9235™ ABS Modulator/Relay Valve P/N Description Supply Delivery Modulator Relay Valve 3/4” NPT 4 x 3/8” NPT AUT577.A801551 AUT577.A801552 AUT577.A801553 AUT577.A801563 BAK221578 BWK025647 BWK286077 BWK292136 PEX801544 PEX801538 PEX801541 PEX801543 PEX801549 BA802052 BA801998 BA802011 BA801534 BA802902 BA801993
7 FAST & EASY ONLINE ORDERING 24/7: MIDWESTWHEEL.COM M-32QR Axle Module R-12® Relay Valve Version Shown (R-14®, ATR-3™ and ATR-6™ are similar) Axle Module Quick Release Valve Version M-32™ and M-32QR™ AntiLock Modulators ATR-3™ to ATR-6™ Traction Relay Valve Changeover R-12® Relay Valve P/N Description Supply Port Delivery Port Electrical Connector Type Supply Voltage Customers Include M-32™ Modulator 1/2” NPT 1/2” NPT Twist-Lock 12 Volvo, Mack, Peterbilt, Kenworth 1/2” NPT 1/2” NPT Packard 12 International M-32QR™ Modulator 1/2” NPT 1/2” NPT Packard 12 International 1/2” PTC 1/2” PTC Packard 12 International ATR-6™ Valve Service New P/N Crack Pressure PSI Mounting Bracket Included Mounting Bracket Customers Supply Voltage 5.5 No - 12V 5.5 Yes Mounting Bolts - 1.32” long Kenworth 12V ATR-6 & ECUs Available! 5.5 PSI ATR-3™ traction relay valves are no longer available. ATR-6™ traction relay valves and retrofit kits are available for service. RELAY VALVES MODULATORS M-32 VEHICLE CONTROL SYSTEMS BENDIX TRACTOR ABS Replacement RSSplus™ Components P/N Aftermarket # Component Part Description ECU/Valve Assembly Control Line Filter Valve In-Line Filter to be installed upstream of ECU AUT577.5336 Sensor Assembly 3.3 ft. (1.0m) - 90º Four of one sensor required per trailer WB 40061220270 Sensor Spring Clip CrNi Four each per trailer Sensor Extension Cable 5.9 ft. (1.8m) A total of four required per trailer Sensor Extension Cable 9.8 ft. (3.0m) A total of four required per trailer WABCO TRAILER ROLL STABILITY BA K128913ORX BA K161888ORX BA K128914ORX WB 4801070010 WB 4325000050 WB 4410309182 WB 4497230180 WB 4497230300 BA K128916OR AUT577.A5458 BAK079670 BAK070951 BAK070954 BW803115
MIDWESTWHEEL.COM MEMBER KANSAS CITY 5801 E. Front St. Main ....(816) 471-1552 Parts....(800) 821-7402 JOPLIN 2424 Stephens Blvd. Main ....(417) 717-6022 Parts....(866) 318-9111 SPRINGFIELD 812 Lillian Dr. ∙ Strafford, MO Main ....(417) 429-2476 Parts....(800) 785-3705 SIOUX CITY 1819 4th St. Main ....(712) 252-7969 Parts....(800) 943-3534 CEDAR RAPIDS 200 50th Ave. S.W. Main ....(319) 365-4453 Parts....(800) 332-5435 DES MOINES 1436 E. Ovid Ave. Main ....(515) 265-1491 Parts....(800) 888-0248 CLEAR LAKE 840 Hwy. 18 W. Main ....(641) 357-7101 Parts....(800) 397-5630 DAVENPORT 8502 Northwest Blvd. Main ....(563) 322-2671 Parts....(800) 553-1886 OMAHA 9770 S 142nd Street, Suite 1 Main ....(531) 239-3050 Parts....(800) 322-8757 NEBRASKA IOWA MISSOURI October 26, 2026 9:02 AM (01Vehicle Control Systems) Left Valve Right Valve Relay Valve Complete Tractor ABS Kits Wabco New # Description 4S/4M Valve Pkg. 5.5 PSI Crack Pressure 4S/4M & 6S/4M Valve Pkg. 5.5 PSI Crack Pressure Replacement Relay Valves WABCO New New # Description WB 973011020 - WABCO ABS Relay Valve 5.5 PSI Replacement Modulator Valves Wabco New # Description Multi-directional Converts Screw Style to Bayonet Style - Straight Plug 12V Bayonet Style Multi-directional Left Flange 12V Converts Screw Style to Bayonet Style Right Flange 12V Converts Screw Style to Bayonet Style Left Flange 12V Bayonet Style Right Flange 12V Bayonet Style *Original Screw Style Design Typical − Shown Typical − Shown WABCO TRACTOR ABS WB 4725001210 WB 4725001230 WB 4006110260 WB 4721950520 WB 4006110200 WB 4006110210 WB 4721950780 WB 4721950790 9730110210X 4721950780
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