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SIERRA TORSION

SIERRA TORSION

SIERRA TORSION

Product catalog summary
Specifications:
The seating options include low, mid, or high back with fixed or reclining backrests. They offer built-in or adjustable lumbar support and are available in cloth or vinyl. Custom corporate logos can be added.

Special Features:
The Sierra Torsion-380 series includes models with fixed back (380FX), reclining back (380RX), and reclining back with adjustable lumbar (380LX).

Models Available:
The Sierra Torsion-380 combines mechanical suspension with ergonomic design for driver comfort. It features a low-profile torsion bar suspension that provides a smooth ride regardless of driver weight. The seat is designed for durability, distributing weight to minimize wear on components. Options include fixed or reclining back, and various back heights.

System Features:
Optional armrests and back recline are available. The seat operates smoothly between 110 and 275 pounds and offers a 5-inch fore and aft adjustment. The torsion bar allows a 4-inch shock-absorbing ride zone.

Weights:
High back with recliner: 81.5 lbs (37.0 kg)
Mid height with recliner: 80 lbs (36.4 kg)
Low back with recliner: 78 lbs (35.5 kg)
High back fixed: 78.0 lbs (35.5 kg)
Mid height fixed: 76.5 lbs (34.8 kg)
Low back fixed: 74.5 lbs (33.9 kg)

Company Overview:
H.O. Bostrom has over 50 years of experience in seating solutions for various industries. They offer custom design, testing, and prototypes, backed by a Total Quality Management approach and a strong warranty program. The company is known for innovation, fast response, and comfort.
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Catalog excerpts

SIERRA TORSION-1

S i e r r a T o r s i o n - 3 8 0 S E A T I N G S Y S T E M S H.O. Bostrom’s Sierra Torsion-380 combines our rugged, mechanical suspension with our ergonomic upper seat to bring you the ultimate in driver comfort. This unique, low profile, torsion bar suspension seat provides the same smooth ride regardless of the driver’s weight. Designed for long lasting service, this scissors suspension distributes the driver’s weight to minimize wear and tear on load bearing components. The flexible upper seat is available with many comfort features such as fixed or reclining back, low, mid or high height back and built-in or adjustable lumbar. When you’re looking for comfortable, durable seating, look to H.O. Bostrom. special Shown with optional armrests & back recline features * Low, mid or high back * Fixed or reclining back * Built-in or adjustable lumbar * Cloth or vinyl * Optional custom corporate logo models available * Sierra Torsion-380FX (Fixed back) * Sierra Torsion-380RX (Reclining back) * Sierra Torsion-380LX (Reclining back w/adjustable lumbar) H. O. B O S T R O M

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SIERRA TORSION-2

SIERRA TORSION-380 S E A T I N G Optional Flip-up armrests Offered in low-, mid- or high-back style ✹ ✹ Built-in lumbar support. Optional adjustable lumbar not shown. Optional custom corporate logo. Vinyl, cloth and Durawear upholstery available. Optional back recline is easily adjusted with lever. Recline has infinite adjustment and extends to 180°. Fixed back also available. ✹ ✹ Front hand wheel adjusts the weight control of this mechanical suspension seat to isolate shock. Operates smoothly between 110 and 275 pounds. ✹ ✹ ✹ ✹ The H.O. Bostrom Advantage S Y S T E M S High-strength torsion bar...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.