Verified model comparison
A task-scale comparison that keeps tractor, chain-trencher and rockwheel measurements separate.
Write the trench width, depth, length, ground conditions and access constraints. The RTX450 reference uses the TR455 chain attachment; the T655III supports larger chain and rockwheel arrangements. Confirm the attachment and tooling with the manufacturer rather than selecting from carrier power alone.
The RTX450 basic-tractor length and TR455 attachment length are not an end-to-end drawing and cannot simply be added. The T655III general transport range belongs to its chain package, while the decorative illustration shows a rockwheel. Obtain the exact transport arrangement for the proposed attachment.
Include utility locating, excavation support, spoil handling, installation, backfill and surface restoration in the work brief. Inspect chain, boom, sprockets or rockwheel tooling as applicable. These pages support equipment selection; qualified project planning must determine the excavation method and operating procedure.
Generation/configuration-aware: measurement basis and reference configuration travel with each value. A difference in basis is not treated as a performance difference.
| Specification | Vermeer RTX450 Trencher | Vermeer T655III Trencher |
|---|---|---|
| Length (basic tractor, tires) | 9 ft 1 in276.9 cmRTX450 basic tractor on 26-inch tires with operator protection, excluding the rear trencher from basic-tractor length. TR455 center-mount chain trencher is the working attachment reference. | 23 ft 7.2 in–28 ft 6 in7.2–8.7 mT655III tractor with chain-trencher attachment, enclosed cab and 20-inch track pads; overall length is the published range across attachment packages. Rockwheel and bucket-wheel working values are separately configured. |
| Width (basic tractor, tires) | 5 ft152.4 cmRTX450 basic tractor on 26-inch tires with operator protection, excluding the rear trencher from basic-tractor length. TR455 center-mount chain trencher is the working attachment reference. | 8 ft 1.2 in2.5 mT655III tractor with chain-trencher attachment, enclosed cab and 20-inch track pads; overall length is the published range across attachment packages. Rockwheel and bucket-wheel working values are separately configured. |
| Height [basic tractor, 26-inch tire] | 7 ft 4.7 in225.3 cmRTX450 basic tractor on 26-inch tires with operator protection, excluding the rear trencher from basic-tractor length. TR455 center-mount chain trencher is the working attachment reference. | 9 ft 10.8 in3 mT655III tractor with chain-trencher attachment, enclosed cab and 20-inch track pads; overall length is the published range across attachment packages. Rockwheel and bucket-wheel working values are separately configured. |
| Tread width [26-inch tire, centerline to centerline] | 4 ft121.9 cmRTX450 basic tractor on 26-inch tires with operator protection, excluding the rear trencher from basic-tractor length. TR455 center-mount chain trencher is the working attachment reference. | Not published in this research record |
| Maximum Trench Depth | 5 ft152.4 cmTR455 center-mount trencher, maximum documented boom package. | 4, 5, 6 or 8 ft1.2, 1.5, 1.8 or 2.4 mChain-trencher boom choices; not the rockwheel depth. |
| Maximum Trench Width | 1 ft30.5 cmTR455 center-mount trencher, maximum documented chain package. | 10.5 in–2 ft 2 in26.7–66 cmChain-trencher cutting package. |
| Length (Minimum Transport) — TR455 | 6 ft 4 in193 cmAttachment dimension alone, not a dimension to add arithmetically to tractor length. | Not published in this research record |
| Track pad width | Not published in this research record | 1 ft 8 in50.8 cmT655III tractor with chain-trencher attachment, enclosed cab and 20-inch track pads; overall length is the published range across attachment packages. Rockwheel and bucket-wheel working values are separately configured. |
| Track length | Not published in this research record | 11 ft 4.8 in3.5 mT655III tractor with chain-trencher attachment, enclosed cab and 20-inch track pads; overall length is the published range across attachment packages. Rockwheel and bucket-wheel working values are separately configured. |
| Max cutting depth — rockwheel | Not published in this research record | 4 ft1.2 mOptional hydrostatic rockwheel attachment. |
| Cutting width — rockwheel | Not published in this research record | 3 or 10 in7.6 or 25.4 cmOptional hydrostatic rockwheel; two documented cutting-width choices. |
| Belt width | Not published in this research record | 2 ft61 cmT655III tractor with chain-trencher attachment, enclosed cab and 20-inch track pads; overall length is the published range across attachment packages. Rockwheel and bucket-wheel working values are separately configured. |
| Conveyor length | Not published in this research record | 8 or 12 ft2.4 or 3.7 mOptional conveyor choices. |
| Discharge height | Not published in this research record | 48 or 56 in121.9 or 142.2 cmPublished conveyor alternatives; match the fitted package. |
A ride-on utility tractor with a documented center-mount chain-trencher option. Tire, track and attachment choices change both the work it can perform and the transport arrangement.
ExploreA dedicated carrier with documented chain, rockwheel and bucket-wheel systems. Its modular classification keeps those configurations under one T655III identity instead of creating duplicate model pages.
ExploreCarry utilization, fuel, wear, attachments and transport into an editable planning model.
ExploreNo winner is declared. Job fit depends on configuration, condition, dealer support, attachments, transport and cost assumptions beyond these published figures.