Description
Overview:
This left-hand Swivel Carriage is a genuine Stihl part for professional mulching lawn mowers, engineered to restore correct pivoting and alignment on the left side of the mower's swivel assembly. Built from robust steel and finished for outdoor use, it replaces worn, bent, or damaged hardware to keep your mower running smoothly under regular and commercial workloads. Designed for precise fitment on the Stihl RM 4.0 RTP and MB 4.1 RTP platforms, it maintains smooth manoeuvrability and consistent cutting performance by supporting accurate wheel tracking and stable deck control. As an OEM component (Stihl No. 6383 780 4920), it integrates seamlessly with existing fixings and tolerances, helping to reduce downtime and extend the service life of your machine.
Key Features:
- Genuine Stihl OEM component for assured compatibility and reliability
- Left-hand specific carriage for correct orientation and alignment
- Heavy-duty steel construction to withstand impacts and frequent use
- Supports smooth swivelling action for easier handling and accurate mowing
- Built to Stihl tolerances for a precise, wobble-free fit
- Helps restore performance after wear, damage, or misalignment
- Corrosion-resistant finish suitable for outdoor conditions
- Straightforward replacement using standard workshop tools
- Suitable for professional grounds care and regular domestic mowing
- Reduces vibration and uneven tracking that can affect cut quality
Typical Applications:
Used to replace a fatigued or bent left-side swivel carriage on compatible Stihl mulching mowers. Common when the mower has sustained an impact, shows excessive play in the swivel, pulls to one side, or exhibits uneven caster motion. Ideal for maintenance routines in landscaping, groundskeeping, and garden care to preserve smooth handling and a clean, even cut.
Also known as:
Left-hand swivel bracket, LH wheel carrier, pivot bracket, caster mount, mower swivel housing, lawn mower pivot carriage, LH deck swivel support.
Fits Models:
MB 4.0 RTP
MB 4.1 RTP
MB4.0RTP
MB4.1RTP
MB40RTP
MB41RTP
RM 4.0 RTP
RM4.0RTP
RM40RTP
Alternate Part Numbers:
6383-780-4920, 63837804920
Product Specifications
| L&S Part No. | 6383 780 4920 |
|---|---|
| Part Type | Genuine Part |
| Manufacturer | Stihl |
| OEM No. | 63837804920 |
| Unit of Sale | 1 |
| Applications | MB 4.0 RTP, MB 4.1 RTP, MB4.0RTP, MB4.1RTP, MB40RTP, MB41RTP, RM 4.0 RTP, RM4.0RTP, RM40RTP |
| Machine Type | Mowers |
| Fits Brands | Stihl |
| Fits Models | RM 4.0 RTP | MB 4.1 RTP | MB 4.0 RTP |
