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Uni Pro 421 Mechanical Suspension Seat | Black Vinyl

This Uni Pro 421 mechanical suspension seat delivers exceptional comfort and support with a compact, low-profile design made to handle the demands of construction and turf equipment. Whether you're navigating rough terrain or working long shifts, this high-performance seat assembly offers ergonomic support, durability, and reliability to keep you focused on the job.

SKU: 8734

Manufacturer Part Number: 8734

Brand: Uni Pro

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Features and Benefits

Durable black vinyl covering resists wear and is easy to clean
Low-profile full scissor mechanical suspension with up to 3.15 in. suspension stroke for smooth ride quality
Ergonomically contoured foam cushions provide long-lasting operator comfort
Mid-height backrest with 50° forward and 25° rearward recline for personalized support
Adjustable backrest angle enhances fit and comfort during long shifts
Quick-release cushions allow for easy maintenance and serviceability
Weight adjustment range of 120 to 320 lbs. with easy-to-read indicator for a tailored fit
Internal seat belt tethers ready for secure seat belt integration
Slide rails offer 6.3 in. of fore/aft adjustment to fit a wide range of operator sizes
Operator presence switch included to meet OEM safety standards
Rubber molded suspension cover protects internal components from dust and debris
Mounting pattern: 11.22 in. side-to-side and 11 in. front-to-back for easy installation
Meets ISO 7096 vibration, ISO 11112 dimension, SAE J1163, ISO 5353, and ISO 3462 standards
Complies with SAE J1194, ITA, and FMVSS-207 requirements when seat belt is properly installed
Replacement seat/suspension for Sears 1800/15 Series

Frequently Asked Questions About This Product

Durable black vinyl covering resists wear and is easy to clean
Low-profile full scissor mechanical suspension with up to 3.15 in. suspension stroke for smooth ride quality
Ergonomically contoured foam cushions provide long-lasting operator comfort
Mid-height backrest with 50° forward and 25° rearward recline for personalized support
Adjustable backrest angle enhances fit and comfort during long shifts
Quick-release cushions allow for easy maintenance and serviceability
Weight adjustment range of 120 to 320 lbs. with easy-to-read indicator for a tailored fit
Internal seat belt tethers ready for secure seat belt integration
Slide rails offer 6.3 in. of fore/aft adjustment to fit a wide range of operator sizes
Operator presence switch included to meet OEM safety standards
Rubber molded suspension cover protects internal components from dust and debris
Mounting pattern: 11.22 in. side-to-side and 11 in. front-to-back for easy installation
Meets ISO 7096 vibration, ISO 11112 dimension, SAE J1163, ISO 5353, and ISO 3462 standards
Complies with SAE J1194, ITA, and FMVSS-207 requirements when seat belt is properly installed
Replacement seat/suspension for Sears 1800/15 Series

Multiple Applications for Commercial Turf, Crane, Forklift, Lawn & Garden Tractor, Roller/Compactor, Skid Steer, and Trencher Equipment. Ideal for Bobcat® Skid Steers, John Deere® Skid Steers, and Terex® Telehandlers:

May Fit Some Models - Check Bolt Pattern to Ensure Proper Fit (W x L - 11.22" x 11")

Bobcat® M Series Skid Steers (Prior to 2013): A770, S450, S510, S530, S550, S570, S590, S595, S630, S650, S740, S750, S770, S850, T450, T550, T590, T595, T630, T650, T470, T750, T770, T870

Replaces John Deere® Skid Steer Part Numbers (May Need to Use Existing Brackets for Mounting): AT522525, AT532014, AT532015

Replaces Terex® Telehandler Part Number: 1296180GT

Replaces Wacker® Skid Steer or Track Loader Part Number: 1000340478

Product Specifications