Quick Answer

Shop the hardware: DVA L-Track Tie-Down Rings · DVA L-Track M8 Bolts · full L-Track collection.

What You'll Need

DVA Products:

• DVA L-Track Slider (M8, 4-Hole): `ltrack-slider-m8-4-hole` (Minimum 2 per case; 4 recommended for larger cases)
• DVA L-Track Bolt (M8 x 40mm): `ltrack-bolt-m8-40mm` (4 bolts per slider; 8-16 bolts per case)
• M8 Flat Washers (Stainless Steel, minimum 25mm outer diameter)
• M8 Nylon Lock Nuts (Stainless Steel) or M8 Serrated Flange Nuts (Stainless Steel)

Tools & Materials:

• Drill (Cordless or corded)
• Drill bits: 4mm (5/32") pilot bit, 8.5mm (11/32") final bit
• Measuring Tape or Ruler
• Marker (Fine-tip permanent)
• Deburring Tool or utility knife
• Wrench/Socket Set (13mm for M8 fasteners)
• Torque Wrench (capable of 5-25 Nm / 4-18 lb-ft)
• Safety Glasses
• Optional: Internal reinforcement plates (e.g., 2mm thick aluminum sheet cut to size)
• Optional: High-strength thread locker (e.g., Loctite 243)

Technical Specifications & Compatibility

The DVA L-Track Pelican Case Mount system is engineered for high load retention and broad compatibility with standard L-Track profiles.

DVA ltrack-slider-m8-4-hole:

• Material: Extruded 6061-T6 aluminum alloy. This material provides a high strength-to-weight ratio and excellent corrosion resistance.
• Finish: Anodized black, offering enhanced surface hardness and further corrosion protection.
• Dimensions: Designed to precise specifications for universal compatibility with standard L-Track (airline track, cargo track) profiles, ensuring secure engagement within the track's internal channel.
• Mounting Holes: Four M8 threaded holes, arranged in a 25mm x 25mm square pattern. This multi-point attachment significantly increases shear and tensile strength compared to single-point mounts.
• Load Rating: When properly installed in a structurally sound L-Track system, each DVA L-Track Slider can withstand a dynamic shear load of up to 200 kg (440 lb). Static load capacity is higher, but dynamic forces during vehicle movement are the primary consideration.

DVA ltrack-bolt-m8-40mm:

• Material: A2-70 (304) Stainless Steel. This provides robust corrosion resistance and a tensile strength of 700 MPa.
• Thread: M8x1.25, a common metric coarse thread.
• Length: 40mm, optimized for passing through typical Pelican case bottoms (5-8mm thickness) and fully engaging the M8 threaded holes of the L-Track slider, with sufficient thread engagement for a lock nut if used internally.
• Head Type: Hex head, requiring a 13mm wrench or socket for tightening.

Pelican Case Compatibility:

This mounting method is compatible with most Pelican Protector Case™ and Storm Case™ models, which feature robust, high-impact polymer construction. The case bottom must be flat enough to allow the L-Track slider to seat flush. Internal clearance is required for bolt heads, washers, and nuts.

L-Track System Compatibility:

The DVA sliders are designed for all standard L-Track systems, regardless of material (aluminum or steel). The ultimate load capacity of the mounted case will be limited by the weakest component in the system: the L-Track itself, its mounting to the vehicle, or the vehicle's structural load rating. For Mercedes-Benz Sprinter vans, the dynamic roof load capacity is 150 kg (330 lb) for all roof heights (low, high, super high). When mounting L-Track to DVA DualTrack crossbars on an INEOS Grenadier, refer to the load rating specifications of the DVA crossbar system. Distribute heavy loads across multiple L-Track sections and sliders.

Torque Specifications:

• M8 Bolts into Plastic Case (with internal washers/nuts): 8-10 Nm (6-7 lb-ft). This prevents overtightening and cracking the case material while providing sufficient clamping force.
• M8 Bolts into Aluminum Reinforcement Plate (internal): 15-20 Nm (11-15 lb-ft). If using a metal reinforcement plate inside the case, this higher torque value can be applied to achieve a more secure connection without stressing the plastic directly.

M8 Sliders into L-Track (if tightening slider bolt directly): The DVA `ltrack-slider-m8-4-hole` integrates the threads directly. The bolts pass through the case and thread into* the slider. Therefore, the torque applied is to secure the case to the slider.

Step-by-Step Installation Guide

This guide details the process of securely attaching a Pelican case to an L-Track system using DVA components.

1. Prepare and Layout Mounting Points

• Tools: Measuring tape, fine-tip marker, Pelican case, DVA `ltrack-slider-m8-4-hole`.
• Procedure:
• Clean the bottom surface of the Pelican case thoroughly to ensure accurate marking.
• Place the DVA `ltrack-slider-m8-4-hole` on the desired mounting location on the case bottom. For optimal stability, position sliders near the edges or corners of the case, ensuring they will engage the L-Track correctly. For larger cases (e.g., Pelican 1650 or larger), use four sliders. For smaller cases, two sliders may suffice, but verify load distribution.
• Using the slider as a template, precisely mark the center of each of the four M8 mounting holes onto the case bottom with the fine-tip marker.
• Ensure that the marked locations provide adequate internal clearance for the bolt heads, washers, and nuts without interfering with the case's contents or structural ribs.
• Safety: Ensure the case is empty.
• Common Mistakes: Inaccurate marking leading to misaligned holes; selecting an area with internal obstructions. Double-check all measurements before drilling.

2. Drill Mounting Holes in the Pelican Case

• Tools: Drill, 4mm (5/32") pilot drill bit, 8.5mm (11/32") final drill bit, deburring tool, safety glasses.
• Procedure:
• Don safety glasses.
• Using the 4mm (5/32") pilot drill bit, carefully drill pilot holes through the marked centers on the case bottom. This prevents the larger bit from wandering.
• Switch to the 8.5mm (11/32") final drill bit. Re-drill each pilot hole to the final M8 clearance diameter. This size provides sufficient clearance for the M8 bolt without being excessively loose.
• After drilling, use a deburring tool or a utility knife to remove any plastic burrs from both the inside and outside of each hole. Smooth edges prevent stress concentrations that could lead to cracking.
• Safety: Secure the case firmly to a workbench to prevent movement during drilling. Keep fingers clear of the drill bit.
• Common Mistakes: Drilling with too much force, causing cracking; not deburring holes, which compromises the plastic's integrity under load; using an incorrect drill bit size.

3. Attach DVA L-Track Sliders to the Case

• Tools: DVA `ltrack-bolt-m8-40mm`, M8 flat washers, M8 nylon lock nuts (or serrated flange nuts), 13mm socket/wrench, torque wrench.
• Procedure:
• Align the DVA `ltrack-slider-m8-4-hole` with the drilled holes on the exterior bottom of the Pelican case.
• From inside the Pelican case, insert an `ltrack-bolt-m8-40mm` through each drilled hole. Ensure the bolt head is flush against the internal surface of the case.
• On the exterior side, thread the bolt into the corresponding M8 threaded hole on the DVA slider.
• If not using internal reinforcement plates, place a large M8 flat washer (min. 25mm OD) over the bolt head inside the case, followed by an M8 nylon lock nut or serrated flange nut. This setup distributes the clamping force over a wider area, reducing stress on the plastic.
• Tighten each M8 bolt using a 13mm socket or wrench. For bolts secured directly to the plastic with an internal washer/nut, apply a torque of 8-10 Nm (6-7 lb-ft). This is sufficient to create a secure connection without deforming or cracking the plastic. If using an internal aluminum reinforcement plate, torque to 15-20 Nm (11-15 lb-ft).
• Apply high-strength thread locker (e.g., Loctite 243) to the bolt threads before final tightening for added security, particularly in high-vibration environments.
• Safety: Do not overtighten; excessive torque will damage the case material.
• Common Mistakes: Overtightening bolts, leading to case cracking or bolt strip-out; forgetting washers; not using lock nuts or thread locker in a vehicle application.

4. Mount the Pelican Case to the L-Track System

• Tools: None (or 13mm wrench if final tightening is done here).
• Procedure:
• With the DVA L-Track sliders now firmly attached to the Pelican case, orient the case so the sliders align with an open end or existing gap in your L-Track system.
• Insert the L-Track sliders into the L-Track channel at a slight angle, then push down firmly to engage the lower lip of the track. Slide the case into the desired position along the L-Track.
• The DVA `ltrack-slider-m8-4-hole` is designed for a fixed, bolted connection. The bolts are tightened in Step 3, securing the case to the slider. The slider itself is then captured by the L-Track. Ensure the sliders are fully seated within the L-Track channel.
• If using L-Track studs or other quick-release options (not DVA products for this specific configuration), ensure their mechanisms are fully engaged and locked.
• Safety: Ensure the L-Track system itself is securely mounted to the vehicle and rated for the intended load.
• Common Mistakes: Not fully engaging the sliders into the L-Track, leading to potential dislodgement; uneven spacing between sliders causing binding.

5. Final Inspection and Load Test

• Tools: None.
• Procedure:
• Gently attempt to move or shake the mounted Pelican case in all directions. There should be minimal to no movement.
• Visually inspect all bolt heads, washers, and nuts for proper seating and engagement.
• Double-check that all torque values are within specifications.
• Load the case with a fraction of its intended cargo weight and perform a short test drive on varied terrain if possible. Re-inspect after the test.
• Safety: Never exceed the dynamic load capacity of your vehicle's L-Track system or roof rack (e.g., 150 kg / 330 lb dynamic for Sprinter roofs).
• Common Mistakes: Skipping the final inspection; exceeding load limits without proper reinforcement.

Troubleshooting

Despite careful installation, issues can arise. Here are common problems and their resolutions:

1. Case Movement or Wobble After Installation

• Issue: The Pelican case exhibits noticeable movement or rattling when the vehicle is in motion or when manually agitated.
• Resolution:
• Check Slider Engagement: Ensure all DVA L-Track sliders are fully seated and locked into the L-Track channel. A partially engaged slider will allow lateral play.
• Re-torque Fasteners: Re-check the torque on all M8 bolts securing the sliders to the Pelican case. Over time, plastic can compress slightly, reducing clamping force. Re-torque to 8-10 Nm (6-7 lb-ft).
• Insufficient Mounting Points: For heavy or large cases, two sliders may not provide adequate stability. Consider adding two more DVA `ltrack-slider-m8-4-hole` units to distribute the load and increase rigidity.

2. Difficulty Engaging Sliders into L-Track

• Issue: The DVA L-Track sliders do not easily slide into the L-Track channel or bind during insertion.
• Resolution:
• Clear L-Track: Inspect the L-Track channel for any debris, obstructions, or deformation that might impede slider movement. Clean the channel thoroughly.
• Alignment: Ensure the sliders are inserted into the L-Track at the correct angle. They should be tilted slightly, engaged with one lip of the track, and then rotated down to engage the other.
• Track Profile: Verify that your L-Track is a standard profile. While DVA sliders are universal, some aftermarket alternatives may have slightly different internal dimensions.

3. Cracking Around Bolt Holes in Pelican Case

• Issue: Visible cracks appear in the Pelican case's polymer material around the M8 bolt holes.
• Resolution:
• Reduce Torque: This is almost always a result of overtightening. If the cracking is minor, reduce the torque to the recommended 8-10 Nm (6-7 lb-ft).
• Increase Washer Surface Area: Replace standard M8 flat washers with larger "fender washers" (e.g., 30-40mm outer diameter) to better distribute the clamping load over a wider area of the plastic.
• Internal Reinforcement: For severe cracking or preventative measures on heavy-duty setups, install 2-3mm thick aluminum reinforcement plates (e.g., 50x50mm squares or larger) inside the case, beneath the bolt heads. This transfers the clamping force from the plastic directly to the metal plate.
• Repair: For existing cracks, use a high-strength plastic repair epoxy or solvent weld specifically designed for the case material.

4. Perceived Insufficient Load Capacity for Heavy Gear

• Issue: Concern that the mounting system may not adequately support very heavy cases (e.g., over 30 kg / 66 lb) on rough terrain.
• Resolution:
• Verify L-Track System Rating: Confirm the dynamic load rating of your L-Track system and its attachment to the vehicle. The DVA sliders are robust, but the L-Track itself can be the limiting factor.
• Increase Slider Count: For heavier cases, increase the number of DVA `ltrack-slider-m8-4-hole` units from two to four per case. This significantly distributes the load and reduces stress on individual mounting points.
• Internal Reinforcement: As mentioned above, internal aluminum reinforcement plates are highly recommended for heavy loads to prevent pull-through and ensure structural integrity of the case.
• Weight Distribution: If mounting multiple cases, distribute the total weight evenly across the L-Track system and vehicle roof (if applicable, ensuring not to exceed the Sprinter's 150 kg / 330 lb dynamic roof load).

Pro Tips from the Field

Experienced vehicle owners refine their setups over time. Here are practical insights for optimizing your L-Track Pelican case mount:

• Internal Reinforcement is Key for Durability: For any case carrying sensitive or heavy equipment, or for vehicles frequently traversing rough terrain, install thin (2-3mm) aluminum or stainless steel plates inside the Pelican case beneath the bolt heads. These plates, slightly larger than the bolt pattern, distribute the clamping force over a much wider area of the case bottom, virtually eliminating the risk of plastic deformation or cracking under dynamic loads.
• Consider Vibration Isolation: While the bolted connection is secure, constant vibration can contribute to fastener loosening and material fatigue. A thin, dense rubber washer or gasket material placed between the L-Track slider and the Pelican case bottom can help dampen vibrations and prevent wear on the case plastic.
• Pre-Drill Template for Consistency: If you plan to mount multiple Pelican cases, create a reusable drilling template from thin plywood or cardboard. This ensures consistent hole placement and simplifies future installations. Mark the template clearly for orientation.
• Center of Gravity Awareness: When positioning cases, especially on a roof rack, consider the center of gravity. Heavier cases should be placed as close to the vehicle's centerline and as low as possible to minimize impact on handling dynamics.
• Regular Fastener Checks: Implement a routine inspection schedule for all fasteners, particularly before and after extended trips. Verify that all M8 bolts remain torqued to specification, especially in high-vibration applications.

What Owners Say: Forum Roundup

"The OEM Sprinter floor L-track which is held by 3 fasteners has this rating: Load rails in the load compartment floor 1,124 lbf (5,000 N), lower load rail on the side wall 562 lbf (2,500 N), upper load rail on the side wall 337 lbf (1,500 N)."

— vic, Sprinter-Source: Mounting L-track to walls (thread #28138)

"Just drilled some holes that matched up to my roof rack and bolted it from the bottom. Waterproof. Works great for storing camp gear."

— r/overlanding, What are the pelican cases mounted to? (2022)

"Stop thinking of the track system as a single-point attachment like a D-ring. The track is supported by many fasteners. If a fastener fails, the track will distort — but the load is still retained in a domino effect that absorbs the energy."

— vic, Sprinter-Source: Mounting L-track to walls (thread #28138)

Related Guides

• Optimizing Sprinter Roof Load Capacity: Learn best practices for loading and securing cargo on your Mercedes-Benz Sprinter roof, adhering to the 150 kg (330 lb) dynamic load limit for all roof heights.
• Installing DVA DualTrack Crossbars on Grenadier: A comprehensive guide to mounting DVA's extruded aluminum DualTrack crossbars to your INEOS Grenadier's factory mounting rails, providing a robust platform for L-Track systems and other accessories.
• Selecting the Right L-Track System for Your Vehicle: Explore the different types and configurations of L-Track systems, and determine the optimal setup for your specific vehicle and cargo requirements.