T-H Marine CMC Atlas Series Hydraulic Jack Plates - Black: 4", 6", 8", 10", and 12" Designed to meet even the most challenging demands of today’s high-performance outboards, the T-H Marine Atlas...
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Add to CartT-H Marine's Atlas Hydraulic Jack Plates deliver professional-grade performance for high-output outboards. Designed for V6/V8 engines up to 300 HP, the standard Atlas plate gives you precise engine height control for better hole shot, shallower running, and a smoother ride in a wide range of water conditions.
A self-contained hydraulic system is built directly into the plate, so there are no separate pumps or reservoirs to mount inside the boat. The result is a cleaner installation, fewer potential leak points, and fast operation - raising the engine from bottom to top in about eight seconds.
Atlas plates are a popular choice with boat builders and serious anglers because they combine speed, strength, and long-term reliability in one system.
The standard Atlas Hydraulic Jack Plate is an excellent match for:
It's ideal anywhere you need fast engine height adjustment, better shallow-water control, and the flexibility to fine-tune performance for different loads and conditions.
Each Atlas Hydraulic Jack Plate package typically includes:
Note: Transom mounting bolts and engine mounting bolts are usually not included. Use marine-grade stainless steel fasteners sized for your specific transom and engine combination.
The Atlas jack plate is designed for straightforward installation on most outboard transoms. The self-contained hydraulic unit means there are no remote pumps or reservoirs to mount, and the included harness and switch simplify wiring.
Because installation requires lifting and securing the outboard engine and drilling or re-using transom mounting holes, many boaters choose to have the plate installed by a qualified marine technician. Always verify setback length and engine/boat compatibility before purchase.
The standard Atlas Hydraulic Jack Plate is designed for most V6/V8 outboards and is rated for up to 300 HP (within the manufacturer’s weight limits). The Heavy Duty Atlas uses a reinforced design for heavier, high-horsepower engines and more extreme running conditions. If your engine is near the maximum rating for the standard plate or you regularly run hard in rough water, the Heavy Duty version is usually the better choice.
Setback is the distance the engine is moved rearward from the transom. Smaller setbacks are often used on lighter, faster hulls, while larger setbacks can help heavier boats or rigs that need extra lift and cleaner water flow to the prop. The best choice depends on your hull design, engine weight, and how the boat is loaded. If you are unsure, check your boat manufacturer’s recommendations or contact our team with your boat make, model, engine, and current setup.
Each Atlas Hydraulic Jack Plate includes the jack plate assembly with integrated hydraulic actuator, a pre-wired relay harness, and a dash-mounted rocker switch, along with basic installation and warranty information. Transom mounting bolts and engine mounting hardware are typically not included because the correct length and style depend on your specific transom thickness and rigging. Use marine-grade stainless hardware sized for your installation.
Many experienced DIY boaters install Atlas jack plates on their own. However, the process requires safely lifting and supporting the outboard, aligning the plate on the transom, and properly torquing the mounting hardware. If you are not comfortable handling the engine or drilling and aligning transom bolt holes, we recommend having a qualified marine technician perform the installation. Always follow the installation manual and safety instructions.
Yes. Atlas jack plates are built with corrosion-resistant materials and a sealed hydraulic system that are suitable for both freshwater and saltwater use. As with any equipment in saltwater environments, regular rinsing, inspection, and basic maintenance will help maximize service life and keep the plate operating smoothly.
Most Atlas Hydraulic Jack Plates are pre-drilled to accept popular shallow-water anchor brackets from leading brands. Compatibility can vary based on the setback size and anchor model, so always confirm bracket fitment with the anchor manufacturer’s guidelines and the specific Atlas model you are purchasing.
California Residents:
WARNING
Cancer and Reproductive Harm -
P65Warnings.ca.gov
Warranty Information