Military Runflat Systems & Combat Inserts
Engineered specifically for 4x4, 6x6, and 8x8 armored combat vehicles, MRAPs, and tactical defense fleets. REPA military runflats guarantee unbroken escape velocity, lateral bead retention, and zero-pressure survivability under kinetic small-arms fire and anti-tank mine detonation.
Why Military Runflats Are Mission-Critical in Asymmetric Warfare
In high-threat combat zones, an immobilized armored vehicle is an immediate casualty. When primary pneumatic pressure is lost due to 12.7mm armor-piercing kinetic rounds, roadside IED fragmentation, or spike barriers, an unreinforced tire separates from the rim within meters, causing severe driveline lockup and catastrophic rollover.
REPA Monolith (One-Piece Solid)
Continuous circumferential solid elastomer core molded under 2,000-ton hydraulic compression for seamless high-speed rotational balance.
- Zero vibration and harmonic deflection up to 110 km/h highway speeds.
- High radial load damping for heavy armored limousines and cash-in-transit (CIT).
- Unrivaled bead clamping force preventing tire de-beading under sharp evasion.
- Pre-installed synthetic thermal lubricant reservoirs.
REPA Segmented (Multi-Piece Composite)
High-density ultra-high-molecular-weight (UHMW) composite polymer segments joined with Grade 10.9 high-tensile fasteners.
- Up to 40% weight reduction compared to legacy solid rubber runners.
- Rapid field installation in forward operating bases (FOB) without depot press.
- Engineered for 35-ton 8x8 infantry fighting vehicles and heavy MRAP hulls.
- Full integration with internal Central Tire Inflation (CTIS) channels.
Military Runflat Vehicle Fitment & Sizing Matrix
REPA military runflat systems are precision engineered to match standard NATO combat tire sizes and multi-piece bolt-together forged steel/aluminum wheels.
| Combat Vehicle Platform | Drive Config | Tire Size | Runflat Architecture | STANAG 4684 Rating | CTIS Compatible |
|---|---|---|---|---|---|
| Oshkosh M-ATV / JLTV | 4x4 MRAP | 395/85 R20 / 14.00 R20 | Segmented Composite | Level 2 (100 km) | Yes |
| BMC Kirpi I & II | 4x4 MRAP | 14.00 R20 | Solid Monolith / Segmented | Level 2 (100 km) | Yes |
| Nurol Ejder Yalçın | 4x4 Tactical Wheeled | 14.00 R20 | Segmented Composite | Level 1 (50 km) | Yes |
| ARTEC Boxer GTK | 8x8 Heavy APC / IFV | 415/80 R685 / 395/85 R20 | 3-Piece Heavy Composite | Level 2 (100 km) | Yes |
| General Dynamics Stryker | 8x8 Combat Vehicle | 14.00 R20 | Segmented Beadlock Kit | Level 2 (100 km) | Yes |
| FNSS PARS ALPHA | 8x8 Next-Gen IFV | 16.00 R20 Heavy Logistics | Multi-Piece Heavy Load | Level 2 (100 km) | Yes |
| Navistar MaxxPro Dash | 4x4 MRAP | 395/85 R20 | Monolith / Composite | Level 1 (50 km) | Yes |
| Otokar Cobra II | 4x4 Tactical Armored | 395/85 R20 | Solid Elastomer Monolith | Level 1 (50 km) | Yes |
| Supacat Jackal / Coyote | 4x4 / 6x6 Patrol | 335/80 R20 | Lightweight Composite | Level 1 (50 km) | Yes |
| AM General HMMWV (Humvee) | 4x4 Light Tactical | 37x12.5 R16.5 | Low-Profile Monolith | Level 1 (50 km) | Optional |
STANAG 4684 Verification & Extreme Temperature Management
Every REPA military runflat core is tested against kinetic penetration, fragmentation blast waves, and sustained high-speed friction.
Integrated Auto-Lube Canisters
When a tire deflates under combat payload, internal rubber-on-polymer friction rapidly exceeds 130°C. REPA runflats incorporate patented synthetic thermal lubricant packs that automatically rupture upon tire collapse, dispersing synthetic grease across the contact surface to prevent tire carcass burning and rim lockup.
Mechanical Beadlock Integration
Combined runflat-beadlock systems mechanically clamp both the inner and outer tire beads firmly against the rim flanges. This eliminates tire slippage on the rim during emergency high-torque acceleration, hard braking, and extreme evasive maneuvers in soft sand and mud.
Explore Military Beadlocks →Frequently Asked Questions: Military Runflat Systems
Critical engineering inquiries regarding NATO standards, depot installation, and vehicle fleet integration.
What is the primary difference between commercial and military runflat systems?
Commercial runflat tires rely on reinforced tire sidewalls that support light passenger cars for limited distances at moderate speeds. In contrast, military runflat systems utilize an independent solid or segmented internal ring clamped directly to a multi-piece combat rim. Military runflats support static wheel loads up to 4,500 kg per hub, resist direct kinetic ballistic rounds (7.62mm, 12.7mm AP), and survive explosive anti-tank mine blasts while maintaining steering control.
How does NATO STANAG 4684 certify a military runflat?
STANAG 4684 and FINABEL A.20.A standards require rigorous proving ground testing where all tires on a fully combat-loaded armored vehicle are deflated to zero pressure. The vehicle must negotiate a 50-kilometer severe off-road obstacle course and a 100-kilometer paved road endurance test at speeds between 50 and 70 km/h without tire detachment, fire, or loss of directional braking stability.
Can REPA military runflats be installed in the field without depot machinery?
Yes. REPA Segmented Runflat Systems are specially designed for forward operating bases (FOB). They disassemble into 2 or 3 lightweight interlocking sections that can be inserted and torqued inside the tire casing using standard military depot hand tools or REPA Mobile Hydraulic Runflat Changer Machines.
What NATO Stock Numbers (NSN) apply to REPA military runflat products?
REPA military runflats and combat wheel components are codified under NATO Federal Supply Classification FSC 2530 (Vehicular Wheel & Brake Components) and FSC 2640 (Tire & Wheel Repair/Assembly Equipment). Standard requisitions can be processed directly through NATO logistics channels using official NSN codes.
Procure Certified Military Runflat Systems for Your Fleet
Partner with REPA Defense. We provide complete turnkey runflat design, 5-axis CNC machining, ballistic verification testing, and depot mounting equipment for allied armed forces and armored vehicle manufacturers worldwide.