Is The SENTINEL PRO Compatible With My Trailer?
Perfect Upgrade for Forest River, Jayco, Keystone, Grand Design, Airstream, Winnebago, KZ, Starcraft, Highland Ridge, Lance & most travel trailers
Mounting Pattern
Weight Capacity
Power Requirements
Dimensions
Replacement Scenarios
How to Measure
Mounting Pattern
The Sentinel Pro uses a standard A-frame mounting pattern that fits most travel trailers, boat trailers, and utility trailers.
Compatibility Check:
Your trailer should have:
- 3-bolt triangular pattern (most common on travel trailers)
- Bolt size: Standard 3/8"-16 UNC grade 5 bolts
- Includes: Three (3) star washers for proper grounding
Ensure your trailer has a standard A-frame tongue for mounting.
Weight Capacity
With 5000 lb TRUE tested capacity, the Sentinel Pro handles most trailer applications with ease.
| Trailer Type | Typical Tongue Weight | Compatible? |
|---|---|---|
| Small Utility Trailer | 150-400 lbs | Yes |
| Boat Trailer | 300-800 lbs | Yes |
| Pop-up Camper | 300-500 lbs | Yes |
| Travel Trailer (under 28') | 500-1,000 lbs | Yes |
| Travel Trailer (28'-35') | 800-1,500 lbs | Yes |
| 5th Wheel Trailer | N/A | No |
Ideal For:
- Travel trailers & campers: Forest River, Jayco, Keystone, Airstream, Grand Design, Coachmen, Winnebago, Dutchmen, Heartland, Lance, KZ, Rockwood, Flagstaff, Springdale, Coleman, Starcraft, Highland Ridge, Gulf Stream, CrossRoads, Palomino, Prime Time, Shasta, Venture RV
- Toy haulers: Dutchmen, Heartland, Eclipse, Forest River, Keystone Raptor, Jayco Octane, KZ Sportsmen, CrossRoads Volante, Grand Design Momentum, Forest River Wildwood, Cruiser Stryker, Jayco Talon
- Fifth wheels: Most front landing gear jacks (not for main hitch) from Grand Design, Forest River, Keystone, Jayco, Heartland
- Boat & marine trailers: Alumacraft, Lund, Tracker, Ranger, Bayliner, Sea Ray, Malibu, MasterCraft, Boston Whaler, Stratos, Godfrey, Crestliner, most standard A-frame models
- Utility & cargo trailers: PJ Trailers, Big Tex, Carry-On, Diamond C, Lamar, H&H, Load Trail, Sure-Trac, Continental Cargo, most standard A-frame configurations
Power Requirements
The Sentinel Pro operates on standard 12V DC power from your trailer's battery system.
Compatibility Check:
- Power supply: 12V DC battery system
- Current draw: Up to 25 amps (protected by internal breaker)
- Included wiring: 6 feet of #12 gauge wire
- Grounding: Jack is internally grounded through star washers (included)
For extension runs, do not use wire smaller than #10 gauge to ensure proper performance. The included star washers must be placed between the flat washers and mounting plate to penetrate paint and ensure proper grounding through metal-to-metal contact.
Dimensions & Travel Range
Ensure the Sentinel Pro's dimensions and travel range are suitable for your trailer setup.
Key Measurements:
- Retracted height: 31-3/8 inches
- Vertical travel: 18 inches
- Footpad diameter: 6 inches
- Outer tube diameter: 2-1/4 inches
Measure your trailer's coupler height when level, and compare to your tow vehicle's hitch height to ensure sufficient range.
Common Replacement Scenarios
The Sentinel Pro is designed as a premium upgrade for your existing electric trailer jack. Superior to most factory-installed jacks on Jayco, Forest River, Keystone, Airstream, Grand Design, and other major brands.
| Replacing This Jack | Direct Fit? | Notes |
|---|---|---|
| Husky Brute / Husky Super Brute | Yes | Direct bolt-on replacement with upgraded features |
| Bulldog / Fulton / Reese | Yes | Significant upgrade in quality and performance |
| Lippert / Venture / Solera | Yes | Direct replacement with superior ball screw technology |
| Atwood / Barker / Stromberg Carlson | Yes | Easy upgrade with enhanced features |
| RAM / Ultra-Fab / Eaz-Lift | Yes | Direct replacement with improved durability |
| Harbor Freight / VEVOR / Tow Tuff | Yes | Major quality and reliability improvement |
| Jayco Factory Jack | Yes | Perfect upgrade for all Jayco models |
| Forest River Factory Jack | Yes | Compatible with all Forest River trailers |
| Keystone Factory Jack | Yes | Ideal upgrade for Keystone owners |
| Manual A-frame Jack | Yes | Will need to add power wiring |
How to Measure Your Trailer
Follow these steps to ensure the Sentinel Pro will be compatible with your trailer:
1
Measure mounting pattern
Check for a 3-bolt triangular pattern on your A-frame tongue.
2
Determine tongue weight
Verify your trailer's tongue weight to ensure it's within the 5,000 lb capacity of the jack.
3
Check height requirements
Measure from ground to coupler when level and compare to your tow vehicle's hitch height.
4
Verify power availability
Confirm your trailer has a 12V battery system or access to 12V power.
Get EXPERT Support
Our trailer jack specialists are ready to help determine if the Sentinel PRO is the right fit for your trailer.
We're committed to ensuring you get the right product for your trailer. Our specialists can help verify compatibility based on your trailer's specific measurements and requirements.
Stack Up The Competition
See how the Sentinel PRO compares head-to-head with leading electric trailer jacks
Husky Brute
Bulldog
Lippert
Harbor Freight
VEVOR
SENTINEL PRO
Premium Ball Screw Electric Jack
Model: SEN-PRO-5000
VS
HUSKY BRUTE
Popular Premium Electric Jack
Model: 82022
Lift Capacity
5000 lb TRUE tested capacity
5000 lb (claimed, not independently verified)
Drive System
Premium Ball Screw (90%+ efficiency)
Ball Screw (similar efficiency)
Cycle Rating
800 cycles factory tested
Not specified
Weather Protection
IP65 + Storm Shell cover
Weather-protected switches only
LED Lighting
Panoramic 360° illumination
3-sided lighting
Control Panel
Modular/Swappable design
Fixed (entire jack must be replaced if panel fails)
Noise Level
Ultra Quiet operation
Moderate noise levels
THE VERDICT: SENTINEL PRO ADVANTAGE
WHY SENTINEL PRO WINS:
- Independently verified lift capacity versus unverified claims
- Modular design allows for component replacement rather than entire jack
- Better weather protection with both IP65 rating and Storm Shell cover
- Significantly quieter operation
- Panoramic lighting provides better visibility than Husky's 3-sided approach
BOTTOM LINE:
While both jacks claim 5000 lb capacity and use ball screw technology, the Sentinel PRO offers verified performance, quieter operation, modular design, and superior weather protection. These advantages make it the clear choice for serious RVers and trailer owners who demand reliability in all conditions.
WINNER: SENTINEL PRO
SENTINEL PRO
Premium Ball Screw Electric Jack
Model: SEN-PRO-5000
VS
BULLDOG
Mid-Range Electric Jack
Model: 500199
Lift Capacity
5000 lb TRUE tested capacity
4000 lb capacity
Drive System
Ball Screw (90%+ efficiency)
Acme Screw (30-40% efficiency)
Cycle Rating
800 cycles factory tested
Not specified
Weather Protection
IP65 + Storm Shell cover
Basic housing only
LED Lighting
Panoramic 360° illumination
Basic LED light
Control Panel
Modular/Swappable design
Fixed design
Noise Level
Ultra Quiet operation
Standard noise levels
THE VERDICT: SENTINEL PRO ADVANTAGE
WHY SENTINEL PRO WINS:
- 25% higher lift capacity (5000 lb vs 4000 lb)
- Superior ball screw technology for greater efficiency and longer life
- Advanced weather protection system with IP65 rating
- Modular design for easy maintenance and part replacement
- Superior 360° lighting for better nighttime visibility
BOTTOM LINE:
The Sentinel PRO outperforms the Bulldog in every key category. With higher capacity, more efficient operation, better weather protection, and superior features, the Sentinel PRO delivers professional-grade performance that easily justifies its premium positioning compared to the mid-range Bulldog option.
WINNER: SENTINEL PRO
SENTINEL PRO
Premium Ball Screw Electric Jack
Model: SEN-PRO-5000
VS
LIPPERT
Popular RV/Trailer Jack
Model: 285318
Lift Capacity
5000 lb TRUE tested capacity
3500 lb capacity
Drive System
Ball Screw (90%+ efficiency)
Acme Screw (30-40% efficiency)
Cycle Rating
800 cycles factory tested
500 cycles (estimated)
Weather Protection
IP65 + Storm Shell cover
Standard weather resistance
LED Lighting
Panoramic 360° illumination
Single directional LED
Control Panel
Modular/Swappable design
Fixed design
Noise Level
Ultra Quiet operation
Standard operational noise
THE VERDICT: SENTINEL PRO ADVANTAGE
WHY SENTINEL PRO WINS:
- Significantly higher lift capacity (5000 lb vs 3500 lb)
- Ball screw technology offers superior efficiency and longevity
- Better illumination with 360° panoramic lighting vs single LED
- Modular design for easier maintenance and component replacement
- Superior weather protection with IP65 rating and Storm Shell cover
BOTTOM LINE:
The Sentinel PRO offers superior performance across all key metrics compared to the Lippert model. With 43% more lifting capacity, significantly better efficiency from the ball screw drive, and enhanced durability features, the Sentinel PRO is the clear choice for those who need reliable, high-performance trailer support.
WINNER: SENTINEL PRO
SENTINEL PRO
Premium Ball Screw Electric Jack
Model: SEN-PRO-5000
VS
HARBOR FREIGHT
Haul-Master
Model: 58202
Lift Capacity
5000 lb TRUE tested capacity
3500 lb capacity
Drive System
Ball Screw (90%+ efficiency)
Basic Acme Screw (25-30% efficiency)
Cycle Rating
800 cycles factory tested
Not specified
Weather Protection
IP65 + Storm Shell cover
Minimal weather protection
LED Lighting
Panoramic 360° illumination
No integrated lighting
Control Panel
Modular/Swappable design
Basic fixed panel
Noise Level
Ultra Quiet operation
Loud operation
THE VERDICT: SENTINEL PRO ADVANTAGE
WHY SENTINEL PRO WINS:
- 43% higher lift capacity (5000 lb vs 3500 lb)
- Premium ball screw technology vs basic acme screw
- Superior weather protection with IP65 rating and Storm Shell
- Includes 360° LED lighting for nighttime visibility
- Significantly quieter operation
- Modular components for easier maintenance
BOTTOM LINE:
The Harbor Freight model is a basic entry-level jack that offers minimal features at a lower price point. The Sentinel PRO delivers professional-grade performance, significantly greater lifting capacity, and numerous quality-of-life features that make it worth the investment for serious trailer owners. The superior durability and reliability make the Sentinel PRO a better long-term value despite the higher initial cost.
WINNER: SENTINEL PRO
SENTINEL PRO
Premium Ball Screw Electric Jack
Model: SEN-PRO-5000
VS
VEVOR
Entry-Level Electric Jack
Model: TEJ5075BCTN
Lift Capacity
5000 lb TRUE tested capacity
5000 lb (claimed, not independently verified)
Drive System
Ball Screw (90%+ efficiency)
Basic Acme Screw (25-30% efficiency)
Cycle Rating
800 cycles factory tested
Not specified
Weather Protection
IP65 + Storm Shell cover
Basic weather protection
LED Lighting
Panoramic 360° illumination
Single LED light
Control Panel
Modular/Swappable design
Fixed non-replaceable panel
Noise Level
Ultra Quiet operation
High noise level
THE VERDICT: SENTINEL PRO ADVANTAGE
WHY SENTINEL PRO WINS:
- Independently verified lifting capacity vs unverified claims
- Superior ball screw technology for better efficiency and durability
- IP65 rating and Storm Shell cover for exceptional weather protection
- Better illumination with 360° panoramic lighting
- Modular, replaceable components for easier maintenance
- Significantly quieter operation for better camp/neighborhood etiquette
BOTTOM LINE:
While the VEVOR jack offers budget-friendly pricing, the Sentinel PRO delivers superior quality, verified performance, and premium features that serious trailer owners need. The ball screw technology alone provides substantial efficiency and durability advantages that make the Sentinel PRO a better long-term investment. For those who need reliability and performance, the Sentinel PRO is the clear winner.
WINNER: SENTINEL PRO
Disclaimer: Product specifications are based on manufacturer data and independent testing. Product names, logos, brands, and other trademarks featured or referred to are the property of their respective trademark holders. These trademark holders are not affiliated with Sentinel Distribution, nor do they sponsor or endorse our products or website.
SENTINEL 3500
