Thieman TT Series
Thieman TT Series liftgates offer 1,500–2,000 lbs of capacity for pickup trucks, utility, and service bodies.
With direct dual-cylinder lift, compact design, and easy bolt-on installation, these Thieman liftgates deliver reliable and efficient performance for fleet and field use.
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Find replacement Thieman TT liftgate parts by model and serial number. Our catalog includes components for TT-15 and TT-16ETAL—platform pins, switches, cylinders, and more. Keep your Thieman tailgates running strong.
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Thieman TT Series: Compact Lift Power for Pickup and Service Trucks
All about Thieman TT Series Liftgate
When you need a durable, compact liftgate for a pickup truck or service body, the Thieman TT series stands out. Designed for pickup, utility, and service body configurations, this series offers powerful, low-maintenance lifting solutions with capacities from 1,500 to 2,000 lbs.
Built for Versatility and Performance
The TT-15 and TT-16/20 models are available in multiple platform sizes and materials, including steel deck plate, expanded metal, and aluminum extrusion. These liftgates feature a dual-cylinder direct lift system, requiring no chains or cables, and a fully enclosed power unit for weather protection and easy access.
Standard Features:
- 50" bed-to-ground travel
- 1,500–2,000 lb lifting capacity
- No chains or cables — dual-cylinder design
- Enclosed hydraulic power unit & cylinders
- Toggle switch controls for dependability
- Torsion assist for easy platform folding
- Skid-resistant diamond plate platforms
- Meets TMC electrical standards
- 150 Amp circuit breaker for system protection
Installation-Friendly Design
The TT model by Thieman liftgate arrives pre-assembled for fast bolt-on or weld-on installation by a certified welder. Designed for easy remounting on replacement vehicles, it's a favorite among fleet managers looking for flexibility.
Model Compatibility:
- TT-15: 1,500 lb capacity, ideal for pickups and light-duty service bodies
- TT-16ET / TT-20ET: Up to 2,000 lb capacity for heavier-duty service and utility applications
Vehicle Applications:
- Pickup trucks (Ford, GM, RAM)
- Flatbeds
- Utility and service bodies
Installation kits are available for different pickup configurations, including Chevy CK1500/2500/3500 models and Ram/Ford trucks with square stake pockets.
Platform Sizes and Capacities
| Platform Type | Size (W x D) | Capacity | Weight | Bed Height |
|---|---|---|---|---|
| Aluminum Extrusion | 80" or 86" x 32"+5" | 1600–2000 lbs | 540–580 lbs | 30"–50" |
| Steel Deck Plate | 80" or 86" x 30"+5" | 1600–2000 lbs | 700–740 lbs | 30"–50" |
| Expanded Metal | 80" or 86" x 30"+5" | 1600–2000 lbs | 620–660 lbs | 30"–50" |
Options and Customizations
Match your liftgate to your workflow with options like:
- 2-piece folding platforms
- Power lowering
- In-cab shutoff switches
- Pendant remotes
- Light kits
- 44” deep aluminum platforms
- Solar charge kits
Maintenance and Durability
Designed with fleet longevity in mind, the TT series includes:
- Greaseless bushings at pivot points
- Adjustable cylinder clevis for platform alignment
- Corrosion-resistant construction
- Easy access to pump and electrical systems
- Torsion bar adjustments for platform assist
Refer to the TT15, TT16, and TT20 manuals for detailed parts breakdowns and maintenance schedules. Routine checks include fluid levels, bushing wear, and platform alignment.
Frequently Asked Questions
1. What trucks are compatible with the Thieman TT liftgate?
The TT Series fits full-size pickup trucks, flatbeds, and service/utility bodies. Installation kits are available for Ford, GM, and Ram models.
2. How much can a Thieman TT liftgate lift?
Depending on the model, capacity ranges from 1,500 to 2,000 lbs.
3. Can I install the TT liftgate myself?
Unless you are a qualified mechanic, Thieman recommends a professional repair or install facility install the TT model; however, this unit is shipped pre-assembled and includes detailed installation instructions. Welding and/or bolting and wiring expertise is required for installation.
4. What kind of maintenance is needed?
Monthly inspections of bushings, hydraulic fluid levels, and platform alignment are recommended.
5. Are there platform options available?
Yes, platforms come in aluminum, expanded metal, and steel, with multiple size and depth options.
6. Can this liftgate be remounted to a new truck?
Yes, the TT Series is designed for easy remounting on replacement vehicles.
