Product Reviews · Screening & Material Recovery · 6 min read
Terex Finlay 798 Trommel Review: Put Your Material to Work

Start with the material you have—and the product you need. That is the useful starting point for a screening-machine purchase. The right discussion connects feed characteristics, screen openings and output handling to the work you want to do.
This used Terex Finlay 798 trommel gives buyers a defined drum-screen offer to explore. Omnia Machinery advertises a long screening drum, two product conveyors and a tipping grid, with actual photographs showing the machine and several key details.
Review method: desk-based assessment of Omnia Machinery reference 8703, the matching Machineryline YY45043 offer and seller photographs, plus Terex’s general trommel information. We have not operated or independently inspected the machine. Seller-listed details and general technology references are identified separately.
Terex Finlay 798 offer at a glance
| Make / model / type | Terex Finlay 798 / trommel drum screen |
|---|---|
| Condition / listed registration | Used / 2005 registration entry; confirm manufacture date |
| Advertised price | £72,500, reviewed 15 October 2026; confirm current quotation |
| Seller / references | Omnia Machinery / 8703 / Machineryline YY45043 |
| Listed hours | 8,150; request a dated current reading |
| Advertised drum dimensions | Length: 6 m; drum screen width: 2 m, using seller wording |
| Advertised equipment | Two product conveyors and tipping grid |
| Seller-listed operating weight | 26,000 kg; confirm actual transport mass |
| Seller-described marking | CE marked; request applicable identification and documentation |
The seller uses “drum screen width” for the 2-metre dimension. Ask for the drum drawing and confirmed dimensions rather than assuming that wording establishes a specific diameter. Confirm manufacture date, current hours and the exact supplied configuration using the machine’s plate and records.
The marketplace identifies the seller in Billingham, while the description uses the broad location “EU.” Confirm where the machine is physically available for inspection and collection before arranging transport.

What does a trommel do?
A trommel uses a rotating screened drum to separate material by size. Terex’s general trommel description explains that finer material passes through the screen openings while larger pieces continue through the drum.
That principle is useful when you need to divide a feed into defined size fractions. The actual result depends on the fitted screen, feed characteristics and operating setup. Ask the supplier to discuss your intended product specification and demonstrate the offered machine with representative material where practicable.
Build the enquiry around your feed
Describe the material type, size range, moisture and typical variation. State the output sizes you need and how you will handle each fraction. Include any contamination or special handling requirements in the brief.
For a soil-recovery business, for example, the useful question is how the fitted drum handles the actual feed and separates the desired product. A material trial and agreed acceptance criteria provide better decision support than an assumed output rate.
Why the advertised equipment matters
A defined drum for the screening discussion
The listed drum length helps frame the specification enquiry. Request the installed screen openings, screen construction, drum condition and available screen-change arrangements. Confirm which screens are included in the sale.
No verified throughput figure is provided in the seller details reviewed. Ask for performance evidence under stated material and screen conditions. The physical drum dimensions alone do not establish production output.
Product conveyors for the site layout
The seller lists two product conveyors. Include their operating positions, discharge heights and belt condition in the inspection and demonstration. Obtain the deployed footprint and the clearance needed around the machine.
Sketch the feed area, discharge points and stockpiles. Allow for the loader or excavator supplying the machine and the equipment taking products away. A coordinated layout helps the whole screening cycle work as planned.
A tipping grid to discuss with the supplier
The advertised grid is another useful item to identify in the full specification. Ask for its opening size, operation, loading limits and role in the proposed feed arrangement.

Check the fitted drum and cleaning arrangements

The photographs show mesh and brush assemblies. Include these, the drum supports, drive and access arrangements in the competent inspection. Request maintenance history and a demonstration of the applicable functions.
Discuss replacement screens and service parts using the machine serial number. A compatible parts and maintenance plan supports your purchase decision and helps define what the handover should include.
Practical safety and handover checks
The seller describes the machine as CE marked. Request the identification plate, applicable declaration and operator documentation, together with records of any modifications. The description is not an independent assessment of current condition.
Include guards, access, emergency stops, warnings and isolation arrangements in a competent inspection and handover. HSE’s conveyor guidance stresses guarding and secure isolation before cleaning or maintenance. Follow the machine-specific instructions and assessed site procedures for inspection, adjustment and blockage clearance.
Ask the seller to identify and demonstrate the fitted systems with competent personnel. Arrange operator familiarisation and agree the separation of people from feed and discharge activities before putting the machine into service.

Plan transport and setup with verified dimensions
The advertised weight is a starting point for a transport enquiry. Obtain the transport dimensions, current mass, folding and securing instructions, support arrangements and collection access details for this exact machine.
Ask a competent transporter to confirm the movement plan and destination requirements. At the receiving site, plan the operating footprint, suitable supporting surface, maintenance access and the material flow around the screen.
Photos and video availability
Four seller photographs are reproduced here to show the overview, grid, drum-screen detail and control panel. No verified product-specific demonstration video was found in the reviewed sources.
Request a dated walkaround of reference 8703 and an agreed operational demonstration, ideally covering the intended material, fitted screen and product discharge. Ask the supplier to show current hours, machine identification and all included equipment.
OPEN THE LISTING AND REQUEST A SELLER DEMONSTRATION →
A focused enquiry to send
Our view
This offer gives screening buyers an identifiable trommel to assess, supported by seller specifications and actual machine-detail photographs. The practical opportunity is to compare its confirmed setup with the feed and products your business works with.
Define the material brief, confirm the screen configuration and arrange a competent inspection and demonstration. A written specification and delivered quotation will help turn interest into an informed equipment decision.
Frequently asked questions
Is the Terex 798 a crusher?
The seller identifies it as a trommel or drum screen. Its primary screening role is size separation, rather than the crushing of material.
Does the listing establish production output?
No verified throughput is stated in the reviewed seller details. Request evidence for the actual screen and material conditions.
Are current Terex trommel specifications verified for this older unit?
No. Use the 798’s identification and applicable documentation. General manufacturer information explains the technology, not the offered machine’s exact configuration.
Sources and editorial information
- Omnia Machinery — reference 8703: seller specifications and photographs.
- Machineryline — YY45043: matching seller offer.
- Terex general trommel-screen information: separate technology reference.
- HSE conveyor guarding and isolation guidance: inspection and maintenance reference.
Reviewed 15 October 2026. Confirm price, availability, configuration and terms with the seller. This review adds original application and buying guidance without claiming an independent machine test.
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