The Efco MTH 5100 chainsaw is a powerful and reliable tool designed for demanding cutting tasks. If you are looking for a good value yet high quality powerful chainsaw, then look no further than the Efco MTH 5100 designed for Perfect for felling small trees, pruning and thinning, and cutting firewood.
Bar length (nose) 16"-18"-20", 41-46-51 cm, (sprocket)
Dry weight without bar and chain 5.4 kg
EasyOn Starting System - ensures smooth and quick starts.
Micro-Lite™ chain- The Micro Lite chain is engineered to deliver fast cutting performance while minimizing the amount of power required from the chainsaw's engine.
Lateral Chain Tensioner -simplifies adjustments while avoiding any risk of contact with the chain. Providing users with a convenient and user-friendly means of adjusting the chain tension on the side of the chainsaw.
Tool-free twist knob -keep your machine easily maintained with the easy twist knob on the air filter. No need for any tools!
Simple Operation - The on/off choke system on the Efco MTH 5100 chainsaw contributes to its user-friendly design, making it easier for operators to start and operate the chainsaw efficiently, even in cold conditions.
* Effective from 3 December 2025 * Free delivery on order over €400, applies to Small & Light, Large & Heavy items within zone 1 only.
Zone Indicator:
To help you understand delivery availability, every item displays a zone icon, icons appear on the top-right corner of each product image:
Types of goods
Available zones
Descriptions
Small & light items
All Zone area
Items under 20kg weight & under 2m long, (some fragile items may not be included e.g. glass/mirrors)
Large and bulky items Extra Large items
Zone 1 & 2 only
Wet & hazardous bagged, items over 20Kg weight & oversized; Euronics white goods, TVs of all sizes.
Large Paint items (6L / 6L+)
Zone 1 only
Large hazardous items (6L+) - available for collection
Available zones
Indicator
Descriptions
All zone area
This icon with all zone area in green, indicates this items can be shipped to all Zone.
Zone 1 & 2 only
Zone 1 & 2 in green and zone 3 greyed out, indicates this product can only be shipped to Zone 1 and 2
Zone 1 only
Zone 1 in green zone 2 and zone 3 are greyed out, indicates this product can only be shipped to Zone 1 only.
Old Appliance Collection:
When you buy a large appliance, we’ll collect your old one for free through WEEE Ireland. Please ensure it is uninstalled, disconnected, and ready for pickup. Collection is like-for-like and takes place at the front door or apartment entrance. Restrictions may apply based on access and item type.
At TJ O'Mahony we will exchange or refund any Retail unused product returned to us in its original condition within 30 days of receiving it (*)You can return any unused product to us in its original condition for a full refund or exchange within 30 days of delivery.
This right to return does not apply to products that are non stock and only available to order such as catalogued doors, catalogued bathroomware and mixed paints which are made especially for your order.
Please note that we are unable to accept returns on certain bagged building products and materials, including (but not limited to) hard wall, cement, bonding, slates, and ridges. We appreciate your understanding and recommend checking product requirements carefully before purchase.