Wheel Monitor

What Wheel Monitor does

Wheel Monitor Inc. is a privately held Canadian company founded in 1997 and headquartered in Niagara-on-the-Lake, Ontario. It designs and manufactures onboard control and sensor systems for Class 7 and 8 trucks and trailers, with a core focus on lift axle automation, wheel-end monitoring, and cab-trailer communication. The company's technology centers on SPIF (Ontario 413/05) compliant lift axle control and the PLC4Trucks (SAE J-2497) communication protocol, which it helped standardize through consortium participation. Its product portfolio spans reverse detection systems (Reverse-A-Matic RM-50/60-EM/70/450), load-based lift axle controllers (Proviso 88P and the Proviso Plus P100A, P160A-EM, P200A-EM, P200M-EM, and P300-EM family), the Balancer B150 for non-steering lift axles, CTC 200/400 communication modules, the Belt-A-Matic conveyor belt buckle detector, and a diagnostic tool, supported by 183+ parts and accessories.

The company's revenue model is predominantly hardware sales of control systems, modules, and replacement parts, supplemented by diagnostic and calibration services. Pricing is quote-based, with no public price list; transactions flow through a sales department responding within one business day and through a certified installer network of Truck Dealers, Body Installers, Trailer OEMs, and repair centers searchable via the company website. Distribution is direct sales plus channel sales, with industry trade association participation (T.M.C, C.C.M.T.A, O.T.A, I.T.S Canada) and an email newsletter as marketing channels. Customers are primarily North American Class 7/8 fleet operators, trailer manufacturers, and commercial fleet operations requiring Ontario regulatory-compliance lift axle control, Western Provinces axle management, and standardized cab-trailer data exchange. The company holds multiple registered trademarks (Reverse-A-Matic, Balancer, Proviso, Belt-A-Matic) and patented technologies developed through multi-million dollar R&D investment since inception.

Name

Wheel Monitor

Legal name

Wheel Monitor Inc.

Website

https://wheelmonitor.ca

Company type

Private

Founded year

1997

Operating status

Operating

Headcount range

1–10 employees

Short description

Wheel Monitor Inc., founded in 1997 and based in Ontario, develops onboard control and sensor systems for Class 7 and 8 trucks and trailers, specializing in SPIF-compliant lift axle automation, wheel-end monitoring, and PLC4Trucks communication for North American fleets and trailer OEMs.

Ownership category

akta.pro rank

Product category

Commercial Vehicle Electronics

NAICS

Motor Vehicle Steering and Suspension Components (except Spring) Manufacturing (33633), Motor Vehicle Electrical and Electronic Equipment Manufacturing (33632)

SIC

Motor Vehicle Parts & Accessories (3714), Miscellaneous Transportation Equipment (3790)

akta.pro primary industry

Steering/Chassis Actuation for ADAS Manufacturing (EPS/Steer-by-Wire/Actuators) (IMACAMAI)

akta.pro secondary industries

Brake, Suspension & Steering Service (Chassis Systems) (TLAKABAD), Wheel Alignment / Steering Geometry Measurement & Calibration (TLAKANAC)

Keywords

• Lift axle control systems
• Wheel monitoring sensors
• Truck trailer communication
• SPIF compliance systems
• Reverse detection systems

Headquarters

HQ city

Niagara-on-the-lake

HQ country

Canada

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Supply Chain, Operations, Personnel, Marketing or Sales

Revenue model

1. Lift Axle Control Systems: Sale of control systems for self-steering and rigid lift axles on trucks and trailers, including reverse detection, load-based control, and SPIF compliance systems. Products include Reverse-A-Matic™ and Proviso™ Plus product lines.
2. Communication Systems: CTC 200/400 modules providing standardized two-way communications between truck cab and trailer using PLC4Trucks protocol
3. Parts & Accessories: 183+ individual parts and accessories including sensors, valves, cables, modules, mounting hardware, decals, and kits for all product lines
4. Diagnostic Services: Data logger files, calibration data submission, and diagnostic tool products for troubleshooting and system maintenance

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels3 records

Core offering

Wheel Monitor designs, manufactures, and sells onboard electronic control and sensor systems for Class 7 and 8 trucks and trailers, with a focus on lift axle automation modules (Reverse-A-Matic, Proviso Plus, Balancer), PLC4Trucks (SAE J-2497) cab-trailer communication modules (CTC 200/400), and an Early Warning System (E.W.S) for wheel separation detection. The offering spans standalone sensor modules, integrated weight-based automation controllers, communication modules, and supporting parts/accessories, sold to fleet operators, trailer OEMs, truck dealers, and certified installers.

Product overview

Wheel Monitor Inc. develops and markets advanced safety monitoring and control systems for class 7 and 8 trucks and trailers. The product portfolio is organized around lift axle automation and trailer communication systems. The Reverse-A-Matic series (RM-50, RM-60-EM, RM-450, RM-70) provides reverse detection and speed/direction sensing for lift axle control. The Proviso and Proviso Plus series (88P, P100A, P160A-EM, P200A-EM, P200M-EM, P300-EM) offers progressive automation levels from basic load-based control to advanced front axle weight percentage management under SPIF regulations. The Balancer B150 serves trailers with non-steering lift axles. The CTC 200/400 provides standardized two-way communication between truck and trailer via PLC4Trucks protocol. Supporting products include the Belt-A-Matic for conveyor belt buckle detection and a Diagnostic Tool for system troubleshooting.

Differentiator

Problem solved

Functional benefit

Brands

• Reverse-A-Matic™: Reverse detection and speed/direction detection systems for trailers including RM-50, RM-60-EM, RM-70, and RM-450 models. Provides reverse lift, reverse alarm, 4-way lift, steer-lock control, and weight display features.
• Proviso™
• Balancer™
• Belt-A-Matic™
• CTC 200/400

Products and services

• Reverse-A-Matic RM-50 Reverse detection system for trailers that operates standalone and independent from the cab, providing two outputs: one for lifting a self-steering lift axle and one for activating a reverse alarm or reverse lighting system. Targeted at trailer operators requiring automated lift axle behavior on reverse.
• Reverse-A-Matic RM-60-EM Speed and direction detection system for trailers that controls two self-steering lift axles while remaining SPIF compliant, with 4-way lift, emergency lift axle override, steer-lock control, and ABS bulb check features. For trailer operators needing multi-axle control under Ontario weight and dimension rules.
• Proviso Plus P100A Speed, direction, and pressure detection system for trailers with air ride suspension, adding load-based control of the lift axle with a computer interface for customization and diagnostics. Used by trailer operators who want entry-level load-based lift axle automation.
• Proviso Plus P160A-EM Speed, direction, and pressure detection system for trailers with air ride suspension, providing independent load control of multiple lift axles plus support for a third Smart Lift Axle (S.L.A), with SPIF compliance. For trailer operators with multi-axle air-ride configurations.
• Reverse-A-Matic RM-450 Speed, direction, and pressure detection system for trailers with air ride suspension, featuring a built-in weight display plus a Bluetooth wireless display on smart devices. Targets trailer operators who want on-trailer weight readouts with mobile access.
• Proviso Plus P200A-EM Speed, direction, and pressure detection system for trucks with air ride suspension, providing load-based lift axle control with a computer interface for customization and diagnostics. For truck operators (tractor side) needing lift axle automation on air suspension.
• Proviso Plus P200M-EM Speed, direction, and load detection system for trucks with mechanical suspension, controlling lift axle position based on reverse, 4-way input, and load, with tandem-axle load-based pressure control to maximize payload under SPIF. For truck operators on mechanical suspension requiring SPIF-compliant automation.
• Proviso Plus P300-EM Advanced system configurable for both air and mechanical suspensions, with a front axle load sensor to maintain minimum front axle percentage under SPIF, featuring an in-cab display and a lift axle scrub feature. For fleets needing full front-axle percentage management across mixed suspension types.
• Balancer B150 Lift axle control system for trailers with non-steering lift axles that monitors trailer suspension pressure to determine when lift axles are required, with computer interface for customization and diagnostics. For trailer operators with rigid (non-steering) lift axle configurations.
• Proviso 88P Lift axle control system for trailers with self-steering lift axles, designed for Western Canadian provinces with in-cab switch override and pressure switch for position confirmation. Targeted at Western Provinces operations not subject to full SPIF.
• CTC 200/400 Two-way communication modules between cab and trailer using the SAE J-2497 PLC4TRUCKS Power Line Carrier standard over the J-560 connector center pin, supporting ABS warning lights, lift axle control, reverse lights/alarm, air brake pressure monitoring, and suspension slider control. Sold to trailer OEMs, fleets, and dealers needing standardized cab-trailer communication.
• Reverse-A-Matic RM-70 Customizable platform for standalone applications based on the RM-60, allowing customization of speed settings and input/output functions, with 2 digital inputs and 6 digital outputs. For integrators needing a configurable reverse-detection / lift-control platform.
• Belt-A-Matic System for detecting the buckle location on chain-less belts used on trailers with conveyor belts, using reverse sensors to indicate the buckle position (top or bottom) in real time via indicator lights. For conveyor-belt trailer operators needing real-time buckle location feedback.
• Reverse-A-Matic Diagnostic Tool Testing and troubleshooting tool for Reverse-A-Matic systems and sensors, providing a computer interface for viewing sensor tests and sending simulated signals to modules. Sold to installers and fleets performing maintenance on Reverse-A-Matic equipment.

Quantifiable outcome

• Wheel separation accidents eliminated through Early Warning System technology
• +2 more outcomes

Segments4 records

Ideal customer profiles2 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature9 records

Partnerships

One partnership is on record.

• PLC4Trucks Industry ConsortiumcoreTechnology or IntegrationWheel Monitor was heavily involved in an industry consortium that designed the J2497 (PLC4Trucks) communication standard. The company adapted this standard into its E.W.S. and CTC200 systems, establishing interoperability with industry-wide systems.

Scale indicators4 records

Recent moves6 records

Expansion highlights4 records

Direct peers

• Stemco: Wheel-end monitoring and tire/brake management product line for commercial vehicles, including the original EWS-style wheel-off detection that Wheel Monitor also pioneered. Stemco's product families compete head-to-head with Wheel Monitor's Early Warning System sensors and diagnostic tools.
• Watson & Chalin: Established North-American lift-axle and suspension manufacturer for heavy-duty trailers (now part of Hendrickson). Comparable to Wheel Monitor at the axle/mechanical level with complementary electronic control products serving the same Class 7&8 trailer customer.
• Link Manufacturing: Specialty manufacturer of suspensions and lift-axle systems for commercial trucks and trailers. Link's lift-axle product lines directly overlap Wheel Monitor's Reverse-A-Matic and Balancer B150 offerings, serving the same fleet/dealer channel for self-steering and rigid lift-axle retrofit.
• Air-Weigh: Onboard weighing systems for commercial trucks and trailers, addressing load-based axle control and weight displays. Directly comparable to Wheel Monitor's Proviso Plus / RM-450 weight-display functionality and competes for the same payload-optimization and SPIF-compliance buyer.
• Pressure Systems International (PSI): Direct competitor in automatic tire inflation and load-based lift-axle control systems for commercial trucks and trailers in North America. PSI's product scope (TirePilot, automatic lift-axle controllers) overlaps Wheel Monitor's Proviso Plus and Reverse-A-Matic families, addressing the same fleet customer for SPIF-style compliance.

Broad incumbents

• Meritor (Cummins Drivetrain & Braking Systems): Major commercial-vehicle axle, brake, and drivetrain supplier (acquired by Cummins). Meritor's broader axle and brake-electronics portfolio covers adjacent chassis-control applications, and its OE relationships give it scale advantages over Wheel Monitor in trailer build slots.
• Haldex (Concentric): Supplier of brake and air-management systems for commercial vehicles, including trailer ABS, brake chambers, and air-system controls. Haldex's air-system and brake-pressure monitoring products overlap Wheel Monitor's air pressure monitor and trailer communication modules.
• SAF-HOLLAND: Global Tier-1 supplier of trailer axles, suspensions, and kingpins. While not as narrowly specialized in lift-axle automation as Wheel Monitor, SAF-HOLLAND's broader suspension portfolio covers adjacent chassis and axle-control applications for the same OEM and fleet customers.
• Hendrickson: Major commercial-vehicle suspension, axle, and bumper systems supplier across truck and trailer markets. After acquiring Watson & Chalin, Hendrickson competes in lift-axle systems and is a broader incumbent Wheel Monitor must position against for fleet and OEM business.
• Bendix Commercial Vehicle Systems (Knorr-Bremse): Leading supplier of commercial-vehicle brake, ABS, and safety electronics — the larger ABS companies explicitly cited in Wheel Monitor's history as having absorbed PLC4Trucks integration. Competes with Wheel Monitor's CTC200/400 communication modules at the cab/trailer ABS interface.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/wheelmonitorinc

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Wheel Monitor