3000 PSI | Inverse Check Valve | 7T / 12T
WT0/WT1 Series Welded Hydraulic Cylinder
The WT0/WT1 Series is a heavy-duty welded hydraulic cylinder featuring an integrated inverse check valve,support frame mounting brackets, and 3000 PSI working pressure. Designed for dump trailers, hoist applications,and heavy industrial equipment, it delivers reliable performance with 7-ton and 12-ton capacity options.The inverse check valve ensures safe load holding and controlled lowering.
WT0/WT1 Series Overview
Why Choose WT0/WT1 Series?
Inverse Telescopic Design
Single-acting inverse telescopic configuration delivers maximum lifting force in a compact retracted length — ideal for dump trucks and trailers.
7–12 Ton Capacity
Engineered for heavy-duty lifting applications with rated capacities of 7 tons and 12 tons, meeting diverse industry requirements.
Heavy-Duty Welded Steel Body
Rugged welded steel construction ensures superior durability and impact resistance in demanding off-highway and industrial environments.
Hard Chrome Plated Stages
All telescopic stages feature hard chrome plating for excellent corrosion resistance and extended service life.
Precision Finished Tubing
Skived, burnished, or honed heavy-wall steel tubing ensures smooth operation and extended seal life.
Premium Sealing System
HALLITE branded seals with temperature range -30°C to +100°C ensure reliable performance in extreme conditions.
WT0/WT1 Series – Technical Specifications
3000 PSI · Single Acting Inverse Telescopic · SAE #8 Port · Clevis/Trunnion Mount
* Dimensions A, B, C, D, E, F, G, H, L correspond to the mounting diagram on page 36 of the catalog.
7 Tons Inverse – SAE #8 3 models
| Part Number | Stroke | A | B | C | D | E | F | G | H | L | Port | Weight (lbs) | Volume (Gal) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WT0707 | 78" | 35.5" | 3.75" | 2" | 1.063" | 3.0" | 1.25" | 6.5" | 1.25" | 7" | SAE #8 | 68 | 1.6 |
| WT0709 | 90" | 39.5" | 3.75" | 2" | 1.063" | 3.0" | 1.25" | 6.5" | 1.25" | 7" | SAE #8 | 75 | 1.8 |
| WT0710 | 108" | 45" | 3.75" | 2" | 1.063" | 3.0" | 1.25" | 6.5" | 1.25" | 7" | SAE #8 | 101 | 2.2 |
12 Tons Inverse – SAE #8 5 models
| Part Number | Stroke | A | B | C | D | E | F | G | H | L | Port | Weight (lbs) | Volume (Gal) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WT1207 | 78" | 34.75" | 4.4" | 2" | 1.063" | 3.0" | 1.5" | 7.5" | 1.5" | 7" | SAE #8 | 106 | 2.5 |
| WT1209 | 90" | 38.7" | 4.4" | 2" | 1.063" | 3.0" | 1.5" | 7.5" | 1.5" | 7" | SAE #8 | 107 | 2.8 |
| WT1210 | 108" | 44.75" | 4.4" | 2" | 1.063" | 3.0" | 1.5" | 7.5" | 1.5" | 7" | SAE #8 | 132 | 3.4 |
| WT1212 | 120" | 48.75" | 4.4" | 2" | 1.063" | 3.0" | 1.5" | 7.5" | 1.5" | 7" | SAE #8 | 143 | 3.8 |
| WT1214 | 144" | 56.78" | 4.4" | 2" | 1.063" | 2.25" | 1.5" | 7.5" | 1.5" | 7" | SAE #8 | 166 | 4.6 |
Note: All models feature SAE #8 O-ring ports (3/4-16UNF). Seal temperature range: -30°C to +100°C. Max speed: 3 ft/sec. Download complete WT0/WT1 Series datasheet →
Capacity & Oil Volume Reference
Quick reference for oil volume and weight by model
| Series | Model | Stroke (in) | Capacity (Tons) | Oil Volume (Gal) | Weight (lbs) |
|---|---|---|---|---|---|
| 7 Ton | WT0707 | 78 | 7 | 1.6 | 68 |
| 7 Ton | WT0709 | 90 | 7 | 1.8 | 75 |
| 7 Ton | WT0710 | 108 | 7 | 2.2 | 101 |
| 12 Ton | WT1207 | 78 | 12 | 2.5 | 106 |
| 12 Ton | WT1209 | 90 | 12 | 2.8 | 107 |
| 12 Ton | WT1210 | 108 | 12 | 3.4 | 132 |
| 12 Ton | WT1212 | 120 | 12 | 3.8 | 143 |
| 12 Ton | WT1214 | 144 | 12 | 4.6 | 166 |
Mounting Configurations
Standard mounting options for WT0/WT1 Series (see page 36 diagram)
"B" or "C" Type Mount
Clevis style mounting with pin connection — suitable for articulated applications
"C" or "D" Type Mount
Trunnion style mounting with pin connection — ideal for heavy-duty pivoting
Inverse Telescopic Layout
Multiple stages retract into the cylinder body for compact closed length
Frequently Asked Questions – WT0/WT1 Series
What is the WT0/WT1 Series hydraulic cylinder?
The WT0/WT1 Series is a single-acting inverse telescopic hydraulic cylinder designed for heavy-duty lifting applications, available in 7-ton and 12-ton capacities.
What is the working pressure?
WT0/WT1 Series cylinders are rated at 3000 PSI working pressure.
What applications are these cylinders used for?
They are widely used in dump trucks, semi-trailers, agricultural implements, and construction equipment requiring high lifting force in a compact package.
What mounting options are available?
"B" or "C" type clevis mounts and "C" or "D" type trunnion mounts are available with various pin sizes to suit different machinery.
What port size do these cylinders use?
All WT0/WT1 models are equipped with SAE #8 O-ring ports (3/4-16UNF).
What seals do these cylinders use?
Premium HALLITE branded seals with temperature range -30°C to +100°C ensure reliable operation in extreme conditions.
What is the difference between WT0 and WT1?
WT0 refers to the 7-ton capacity series, while WT1 refers to the 12-ton capacity series. Both share the same inverse telescopic design and SAE #8 port.
What is the MOQ for WT0/WT1 Series?
No MOQ for standard models. Custom orders are welcome with sample quantities available.
Need an WT0/WT1 Series Cylinder?
Send us your bore size, stroke length, and mounting requirements. Our engineers will respond within 24 hours.