OTK Kart Group
ActiveOverview
OTK Kart Group is an Italian manufacturer of competition karts and components, producing chassis under brands like Tony Kart, Kosmic, Exprit, EOS, Gillard, Redspeed, and Viper, along with Vortex engines. Based in Prevalle, Brescia, it operates an international network with subsidiaries in the US, Japan, Singapore, and Australia, and over 130 dealers in more than 70 countries, generating over 85% of revenue outside Italy. The company produces around 7,000 chassis and 2,000 Vortex engines annually in its 20,000 square meter facility.356
History
OTK Kart Group operates as a holding company in Prevalle, Italy, focused on kart production. It maintains subsidiaries and a global dealer network for international expansion. In 2025, it announced a strengthened partnership with TM Kart, a Pesaro-based engine producer.56
Product Lines
| Product Line | Positioning | Price Range |
|---|---|---|
| Tony Kart (competition chassis) | Professional racing karts | $4,000 - $7,000 |
| Kosmic (racing chassis) | Competitive karting | $3,800 - $6,500 |
| Exprit (performance chassis) | High-end racing | $4,200 - $6,800 |
| Viper (rental karts) | Rental fleet durable chassis | $3,500 - $5,500 |
| Vortex (kart engines) | Competition engines | $1,800 - $3,200 |
| OTK Kart Parts (components) | Aftermarket accessories | $150 - $1,800 |
Manufacturing
All kart components, including around 7,000 chassis and 2,000 Vortex engines per year, are designed and manufactured in-house at the 20,000 square meter facility in Prevalle, Brescia province, Italy. The chassis division handles production of 'green chassis' and parts lines.35
Notable Products
- Tony Kart chassis - Flagship competition chassis used in international karting events.
- Vortex engines - In-house produced engines for kart racing, 2,000 units annually.
- Viper rental karts - Durable chassis for rental operations under multiple OTK brands.
- Kosmic chassis - Racing chassis known for performance in professional categories.
- Exprit chassis - High-performance frames for competitive karting.
Reputation
OTK Kart Group is regarded as a world leader in competition kart production by enthusiasts and professionals, valued for its comprehensive in-house manufacturing and global distribution. Strengths include product reliability and brand variety like Tony Kart, dominant in racing series. Some note high pricing as a drawback compared to smaller manufacturers.