Answering the common buyer need: find reliable, heavy-duty landing gear for semi trailers that maximize lifting power, ease of use, and service life. This guide highlights five practical options across two main categories: high-capacity trailer jacks and compatible upgrade kits. It’s ideal for fleet managers, shop technicians, and owner-operators seeking safer, faster maintenance and hitch alignment. Below, compare each product’s strengths, intended user, and key limitations to help you choose confidently.
| Product | Best For | Lift Capacity | Notable Trait |
|---|---|---|---|
| Mytee Products Landing Gear Trailer Jack Set (62,000 lbs lift) | Large fleets needing single-jack replacements | 62,000 lbs | 2-speed external gearbox |
| Mytee Products 2 Pack Landing Gear Kit (Dual Set) | Backup or dual-axle setups | 62,000 lbs per unit | Two jacks with included hardware |
| Mytee Products Trailer Landing Gear Kit with Dual Speed Gear & Double-D Crank | Heavy-duty, bolt-on stabilization | 60,000–62,500 lbs | Cross shaft and dual-speed travel |
| Fleet Engineers Landing Gear Shoe (Replacement Shoe) | Replace worn components on existing legs | Reference part | OEM-compatible shoe |
| Stromberg Carlson Electric 5th Wheel Landing Gear (5,000 lb) | Electric operation for RVs and light trailers | 5,000 lbs | IP-rated switch; weld-on steel |
Mytee Landing Gear Trailer Jack Set 62,000 Lb Lift
Best for: fleets needing a single robust jack with high lift and dual-speed control. This set delivers a 62,000 lb lift and 160,000 lb static load. The external gearbox offers two speed options, which helps with faster engagement during setup and controlled descent on load transfer. Use this when replacing a failed jack or upgrading a primary landing gear on a heavy semi-trailer.
Key details: Low gear speed is 0.72 mm per turn; high gear speed is 5.42 mm per turn. Extended length is 4.29 feet; retracted length is 1.57 feet. Static load capacity sits at 160,000 lbs; lifting capacity at 62,000 lbs. A limitation is that installation and full operation depend on compatible mounting hardware and vehicle specifications.
Mytee 2 Pack Landing Gear Trailer Jack Set
Best for: fleets needing spare units for redundancy or multi-axle trailers. This 2-pack provides two complete landing gear assemblies with a precision forged 2-speed gearbox, crank handle, slave leg, and braces. It’s a practical choice for maintenance shops aiming to minimize downtime by keeping an extra jack ready.
Key details: Includes 59-3/4 inch connecting shaft with ordered pairs. The kit emphasizes durability and alignment accuracy via dual-speed gearboxes. Caution: ensure each kit matches the trailer’s mounting footprint and leg length to avoid compatibility issues.
Mytee Trailer Landing Gear Kit with Dual Speed Gear
Best for: installations requiring a complete bolt-on stabilizer set with high stability and load capacity. This kit features a travel length of 19 inches, a total extracted length of 4.39 feet, and a retracted length of 2.82 feet. It exceeds TTMA and AAR certifications, making it suitable for fleets that demand compliance alongside performance.
Key details: Lift capacity around 60,000 lbs; cross shaft length 59-3/4″; side load 18,000 lbs; material is steel with a yellow powder-coated finish for visibility and protection. Limitation: a larger kit footprint may require more mounting space on older trailers.
Mytee 2 Pack Trailer Landing Gear Kit Dual Speed
Best for: technicians needing parallel jacks on a single trailer or backup units for high-use fleets. This kit offers two identical units with the same dual-speed gearbox design as the single-pack version. It supports 60,000 lbs lift capacity at 100 ft-lbs input torque and includes the stabilizer set and bolt-on hardware.
Key details: Cross shaft 59-3/4″; gear ratios provide low and high gear travel per inch. The system uses a powder-coated finish for durability. Caution: confirm compatibility with your trailer’s mounting points and leg length before purchase.
Fleet Engineers Landing Gear Shoe
Best for: replacing worn shoes on existing landing gear legs. This genuine Fleet Engineers part is a straightforward upgrade to restore proper seating and leg alignment, reducing wobble and increasing reliability during jacking operations. Use this when you conservatively replace components to extend leg life.
Key details: Item package dimension 15.31″ L x 10.86″ W x 6.25″ H; weight about 9 pounds. Caution: this is a replacement part, not a complete jack system; ensure it matches your current gear model and leg dimensions.
Stromberg Carlson Electric 5th Wheel Landing Gear
Best for: RVs, fifth-wheel campers, and light-duty utility trailers needing electric operation. This kit delivers an electric motor and 29.5” legs with a 5,000 lb lifting capacity, suitable for smooth, remote operation where manual cranking is impractical. Choose this if electric control reduces site setup time.
Key details: 80 RPM motor and build quality emphasize long-term use with weld-on steel construction. Limitation: not designed for heavy semi-trailer loads; evaluate trailer weight and tongue load before opting in.
Stromberg Carlson Electric 5th Wheel Landing Gear (150 RPM)
Best for: users needing faster electric operation and strong lift for medium-duty applications. This variant offers a 5,000 lb load capacity and a 29.5” leg span, with a higher 150 RPM motor for quicker raises. It is compatible with various trailer gearboxes and is designed for robust performance alongside other Stromberg Carlson products.
Key details: Weld-on steel construction and IP-rated switch provide durability and weather resistance. Caution: verify compatibility with trailer frame and available electrical harnesses on your vehicle setup.
Buying Guide: Key Purchase Considerations
- Lift and static load capacity: Match the jack lift to your trailer’s tongue weight and loading requirements. Higher capacities reduce failure risk on heavy loads but may add size and weight to the system.
- Gear ratio and speed: Dual-speed gearboxes enable faster engagement and smoother lowering. Consider your operational workflow to decide whether low-speed precision or high-speed movement matters more.
- Footprint and mounting compatibility: Ensure the leg length, cross shaft, and bolt pattern align with your trailer frame. Some kits require additional mounting hardware or frame reinforcement.
- Material and finish: Steel with powder coating offers durability and corrosion resistance in road-use conditions. Lighter assemblies may be cheaper but less durable in rugged environments.
- Electrical vs. manual operation: Electric landing gear provides convenience for frequent jacks but requires power sources and wiring. Manual or bolt-on options cost less upfront but demand more labor during use.
- Standards and certifications: Some kits exceed TTMA and AAR certifications, which may be important for fleets needing compliance with industry standards.
FAQs
- What is the typical lift capacity for semi trailer landing gear?
Most heavy-duty units range from 60,000 to 62,500 lbs lifting capacity, with high static loads around 160,000 lbs in some sets. Always verify against tongue load and trailer weight.
- When should I choose a dual-speed gearbox?
Choose dual-speed if you need faster raise/lower cycles and precise control when positioning the trailer on uneven ground or during setup.
- Are bolt-on landing gear kits compatible with all trailers?
Compatibility depends on mounting footprint, leg length, and frame design. Check cross shaft length and side load ratings to ensure a proper fit.
- Is replacement a single component enough, or should I replace entire jack sets?
If multiple failures or excessive wear is observed, replacing the entire unit is typically more cost-effective and ensures balanced performance across legs.
- What maintenance helps extend landing gear life?
Regular lubrication, inspection for wear on gears, shafts, and pins, and verifying proper crank operation reduce downtime and prolong service life.
- When is electric landing gear advantageous?
Electric systems save time on frequent height adjustments and jacking tasks, especially in busy maintenance environments or when accessibility is limited.