The StairMaster Jacobs Ladder is a signature commercial climbing machine engineered for high-intensity, low-impact conditioning across fitness facilities, personal training studios, and rehabilitation clinics. Validated by researchers at the LSU School of Kinesiology, the Jacobs Ladder delivers a scientifically proven workout that burns calories at an accelerated rate compared to standard treadmills—all while maintaining a lower rate of perceived exertion.
Featuring an angled continuous ladder design with solid maple rungs, the machine is completely self-powered, automatically matching the user's climbing speed through an adjustable waist-belt drive system. The non-motorized movement takes stress off the lower back and joints, offering functional conditioning suitable for rehabilitation, circuit training, HIIT, and endurance development.
Size & Space Requirements
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Dimensions (L × W × H): 193 × 79 × 166 cm (76 × 31.25 × 65.5 inches)
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Product Weight: 147 kg (325 lbs)
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Max User Weight: 125 kg (275 lbs)
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Rungs: Solid maple hardwood
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Power Requirement: Self-powered (cordless)
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Recommended Ceiling Height: Minimum 229 cm (7.5 ft)
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Console Readouts: Elapsed Time, Feet Climbed, Rate (Feet/Min), Calorie Burn, Heart Rate (chest strap compatible)
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Shipping Dimensions: 84 × 197 × 180 cm (33 × 77.5 × 71 inches)
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Shipping Weight: 196 kg (432 lbs)
Because the user climbs at an incline, verify that ceiling heights meet the 7.5-foot minimum clearance to ensure ample overhead room during full stride. Ensure adequate floor space around the entry and base for safe mounting, dismounting, and tether belt attachment.
Care & Maintenance
- Wipe down the maple rungs, side rails, and console casing after use with a mild, non-abrasive disinfectant.
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Inspect the maple climbing rungs regularly for splinters, cracks, or excess wear.
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Check the internal drive chain, tension cables, and braking mechanisms periodically according to the service manual.
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Verify that the waist harness, tether rope, and auto-braking stop system engage smoothly and show no fraying.
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Keep the floor around and underneath the machine clean and free from dust and debris accumulation.
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Follow the manufacturer's lubrication and calibration recommendations for commercial environments.
Safety & Usage Tips
- Fasten and adjust the tether waist belt securely before initiating movement; the belt controls the brake mechanism and pacing.
- Begin at a controlled, steady climbing pace to adapt to the low-impact 40-degree climbing angle.
- Avoid holding onto the frame rails while climbing—maintain a natural hand-over-hand rhythm on the maple rungs for proper functional alignment.
- To slow down or stop, descend lower on the rungs; the tether will naturally engage the internal mechanical brake.
- Ensure all participants are briefed on the self-powered pacing mechanism prior to group or circuit training.
- Check that the footprint is level and stable before clearing the machine for member use.
