Specifications

Specifications & Aisle Fit

Fifteen configurations across two platform widths, in 10″ increments — with turning radius published for every SKU.

Dimensions

Per-SKU specifications

All dimensions in inches; weight in pounds. Toggle platform width below.

ProStep Sell Sheet

The Ultra-Compact Rolling Ladder with the World's Tightest Turning Radius

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Model Steps	A Platform Height	B Overall Height	C Working Height	D Base Width	E Base Length	Turning Radius
PS-40 4 Steps	40″	82.5″	106″	24″	67.5″	64″
PS-50 5 Steps	50″	92.5″	116″	24″	73.5″	70″
PS-60 6 Steps	60″	102.5″	126″	24″	79″	76″
PS-70 7 Steps	70″	112.5″	136″	24″	85″	81″
PS-80 8 Steps	80″	122.5″	146″	24″	90.5″	87″
PS-90 9 Steps	90″	132.5″	156″	24″	90.5″	93″

Steps include the top step. Weight varies by width. Turning radius = 360°.

Model Steps	A Platform Height	B Overall Height	C Working Height	D Base Width	E Base Length	Turning Radius
PS-40 4 Steps	40″	82.5″	106″	36″	67.5″	64″
PS-50 5 Steps	50″	92.5″	116″	36″	73.5″	70″
PS-60 6 Steps	60″	102.5″	126″	36″	79″	76″
PS-70 7 Steps	70″	112.5″	136″	36″	85″	81″
PS-80 8 Steps	80″	122.5″	146″	36″	90.5″	87″
PS-90 9 Steps	90″	132.5″	156″	36″	90.5″	93″
PS-100 10 Steps	100″	142.5″	166″	36″	102″	99″
PS-110 11 Steps	110″	152.5″	176″	36″	108″	104″
PS-120 12 Steps	120″	162.5″	186″	36″	114″	110″

Steps include the top step. Weight varies by width. Turning radius = 360°.

Aisle-fit finder

Every ProStep model lists its 360° turning radius. No guessing whether the unit will physically fit.

Fits with clearance Fits — tight Won’t fit

Model	HeightPlatform	360°Turning radius	VNA Very Narrow Aisle 5–6 ft	Narrow Aisle8–10 ft	Wide Aisle11–13 ft
PS-40	40″	64″ (5.3 ft)	✓	✓	✓
PS-50	50″	70″ (5.8 ft)	~	✓	✓
PS-60	60″	76″ (6.3 ft)	—	✓	✓
PS-70	70″	81″ (6.8 ft)	—	✓	✓
PS-80	80″	87″ (7.3 ft)	—	✓	✓
PS-90	90″	93″ (7.7 ft)	—	✓	✓
PS-100	100″	99″ (8.2 ft)	—	~	✓
PS-110	110″	104″ (8.7 ft)	—	~	✓
PS-120	120″	110″ (9.1 ft)	—	~	✓