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Choose up to three. Rows that differ are marked, so the trade-offs are easy to see. Then come try your favorites in the showroom.

Comparing 3 of 3 · 11 rows differ

Spirit Fitness

XT685 Treadmill

StairMaster

8Gx
Price (differs)

MSRP$3,200

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MSRP$9,410

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Use (differs)
Light commercial
Commercial
Residential
Floor space (differs)

Machine 6 ft 10 in by 3 ft

10 ft 1 in by 6 ft 4 in with clearance (approximate)

Machine 4 ft 10 in by 2 ft 10 in

7 ft 10 in by 6 ft 2 in with clearance

Machine 5 ft by 4 ft 8 in

9 ft by 8 ft 8 in with clearance (approximate)

Motor and drive (differs)

4.0 HP motor

Not listed
Not listed
Speed and incline (differs)

0.5 to 12 mph; 15 incline levels

Not listed
Not listed
Running surface (differs)

22 x 60 in running surface

Not listed
Not listed
Max user weight (differs)

425 lb max user weight

400 lb max user weight

Pull-up and dip max user weight 300 lb

Size and weight (differs)
Not listed

58 x 34 x 79 in; 509 lb

Walk-through design; machine weight 985 lb

Warranty (differs)

Non-folding; carries a light commercial warranty

Not listed
Not listed
Details (differs)
Not listed

20 levels, 24 to 162 steps per minute

9 in step-up height

10 ft recommended ceiling

Two 150 lb Silent Steel stacks (upgradable to 400 lb total)

MiSmith dual-action Smith bar (horizontal plus vertical travel)

Ultra-Lite Lifting System reduces Smith bar to 30 lb

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