large Mechanical Suspension Unit
Key Features
- Heavy-duty mechanical seat suspension
- Direct replacement for Grammer MSG85, MSG95 & DS85
- Suitable for tractors, plant and construction machinery
- Adjustable suspension for operators 50kg – 130kg
- 60mm suspension height adjustment in 3 positions
- Lowest suspension height: 140mm
- Overall Width: 360mm
- Overall Length: 450mm
- Larger heavy-duty springs
- Heavy-duty shock absorber
- Reinforced thicker steel construction
- Excellent vibration and shock absorption
- Improves driver comfort and reduces fatigue
- Easy installation with matching Grammer mounting centres
- 2 Year Warranty
What Does This Mechanical Suspension Do?
The seat suspension is the part of your operator seat that absorbs the constant shocks, vibrations and impacts created when working on rough ground.
A worn or damaged suspension can cause:
- Excessive vibration
- Back and neck pain
- Operator fatigue
- Reduced productivity
- Poor driving comfort
- Premature seat wear
Installing a new heavy-duty suspension restores your seat’s ability to absorb impacts, giving the operator a smoother, safer and more comfortable ride throughout the working day.
Why Buy This Suspension?
Improve Operator Comfort
Reduces vibration and harsh impacts when working on rough terrain.
Reduce Fatigue
A more comfortable operator stays productive for longer with less strain on the back and joints.
Heavy Duty Construction
Designed for demanding agricultural, construction and quarry applications using larger springs and stronger components.
Cost Effective Repair
Replace only the suspension instead of purchasing a complete new seat.
Direct Grammer Replacement
Compatible with many Grammer MSG85, MSG95 and DS85 suspension systems using the same mounting centres.
Built to Last
Manufactured from heavy-duty steel and quality components for long service life.
Ideal For
This suspension is suitable for:
- Tractors
- Excavators
- Telehandlers
- Loaders
- Bulldozers
- Backhoe Loaders
- Wheel Loaders
- Skid Steers
- Graders
- Rollers
- Dumpers
- Forestry Machines
- Quarry Equipment
- Mining Equipment
- Agricultural Machinery
- Construction Equipment
Technical Specifications
| Specification | Details |
|---|---|
| Suspension Type | Mechanical |
| Weight Adjustment | 50kg – 130kg |
| Height Adjustment | 60mm (3 Positions) |
| Lowest Height | 140mm |
| Overall Width | 360mm |
| Overall Length | 450mm |
| Warranty | 2 Years |
Compatible Grammer Models
Direct replacement for:
- Grammer MSG85
- Grammer MSG95
- Grammer DS85
Can also be retrofitted to many tractor and construction machine seats using the same mounting centres.
Machine Applications
Suitable for a huge range of machinery including:
Caterpillar
Compatible with numerous Caterpillar Backhoes, Dozers, Wheel Loaders, Crawler Loaders, Motor Graders, Telehandlers and Rollers including:
416C, 416D, 420D, 420E, 420F, 430D, 430E, 430F, 432D, 432E, 442D, 442E, 444E, 450E, 450F, D3, D4, D5, D6, D7, D8, D9, D10 Series, 914G, 924G, 930G, 938G, 950G II, 962G II, 966G II, 972G II and many more.
John Deere
Compatible with numerous John Deere:
- 310 Series Backhoes
- 410 Series
- 710 Series
- 450, 550, 650, 700, 750, 850, 950 & 1050 Dozers
- 244, 304, 344, 444, 544, 624, 644, 724 & 744 Loaders
- 670, 672, 770, 772 & 872 Motor Graders
- 548 & 648 Skidders
New Holland
Compatible with:
555E, 575E, 675E, B95, B95B, B110, B110B, LB75, LB75B, LB90, LB90B, LB95, LB95B, LB110 and LB110B.
Komatsu
Compatible with:
WB140, WB146, D31, D37, D39, D41, D61, D65, D85, D155 Series and GD555, GD655 & GD675 Motor Graders.
Case
Suitable for Case Dozers, Wheel Loaders and Construction Equipment including:
550G, 650G, 750H, 850H, 1150H, 650K, 750K, 850K, 1650L, 21F, 121F, 221F and 321F.
Volvo
Compatible with:
L30B, L35B, L40B, L45B, L50B, L50E, L70C, L90B, L90C, L120B, L120C, L150B, L150C and DD110B Rollers.
Dresser
Compatible with TD Series machines including:
TD7, TD8, TD9, TD10, TD15, TD20 and TD25 models.
Replacement Part Numbers
John Deere
- AT407315
- AT407317
New Holland
- 85815538
- 85815539
- 85815542
- 85815543
Komatsu
- 312605088
- 312605089
Why Choose Seat Systems?
With over 30 years of experience, Seat Systems is one of Ireland’s leading specialists in agricultural and construction seating. We supply premium replacement seats, suspension units and seat components for virtually every make and model of tractor and plant machinery.
We offer:
- Expert technical advice
- Quality guaranteed products
- Fast nationwide delivery
- Bulk order discounts
- Excellent customer support
- 2 Year Warranty
Contact Seat Systems
Seat Systems Ltd
📍 Unit 5/7 Childers Road Enterprise Centre
Limerick, V94 YC99
📞 085 870 9433
📞 087 919 3342









