Upgrading engines across a vehicle range is never straightforward, and Merlo decided to take advantage of this opportunity to introduce a series of key innovations in its range of telehandlers.
The watchwords are safety, easy of use and practicality. The introduction of the updated Stage IV emissions standards led the Cuneo-based company to introduce an SCR solution with DOC onto their machines, which is both smarter and simpler to manage than the alternative solution with DPF.
In line with this strategic choice, Merlo has adopted the Deutz TCD 3.6 100 kW engine with DOC/SCR. As such, versions with the "old" 120 hp engine will be upgraded to 136 hp (100 kW), with a significant increase in power that will no doubt be appreciated by customers who require aggressive machines which offer superb performance.
This engine will be used to power the TF II 38.10 and 42.7, and will be accompanied by a new engine bonnet design which creates space for the SCR/DOC device without sacrificing visibility, as well as providing a new air intake with improved dust protection, and allowing the operator to fit the cyclonic pre-filter internally.
For operators in the agricultural sector, Merlo can also provide machines with a rear mechanical PTO, with a power output of 120 hp.
The maximum speed of the hydrostatic transmission is 40 km/h, both for classic machines with two speed ranges and for the popular CVTronic machines, an option which is available for users who want a continuously variable transmission (CVT).
The EPD has been optimised via the addition of a further electronic upgrade which, in the standard PLUS version, features ECO mode, the Speed Control function (for working at consistent speeds) and the new Heavy Load function.
The latter is especially useful for those performing heavy digging operations, and enables the machine to operate at full capacity even in the most challenging environments.
The EPD Top version is also available, offering addition functions to those already present on the Plus, including the automatic accelerator which allows the engine speed to be varied accordance with the actual speed requested by the Diesel engine.
Furthermore, the entire powertrain has been optimised to ensure adequate durability in light of the increased performance levels.
The cab that has been used up until now across all new modular Merlo machines will now be accompanied by an Eco version, with a simplified design which focuses on ease of use for operators who do not require a monitor for CDC control. The interior of this new cab model can be cleaned more easily when used to perform heavy-duty work.
The basic structure remains the same, of course, with ROPS-FOPS Level II type-approval as standard and a glass surface, with an internal volume and space which places this new design at the top of the market.
The CDC - Dynamic Load Control function has been introduced with automatic recognition of standard equipment and automatic enabling of the free working area when a bucket attachment is fitted, rendering these operations more straightforward and dynamic. The CDC control screen will remain available as an optional feature.
Similarly to the TFII, the Merlo TF Medium Duty and Compact Duty models have also been updated, with the addition of the new ECO cab and the Stage IV Deutz 3.6 engines that deliver 85 kW of power, as well as boasting the SCR/DOC system without DPF. The engine bonnet is the same as that on the TF II, with all the corresponding advantages in terms of availability of spare parts and ease of implementation of additional cyclone filter elements.
The electronic management functions for the engine and the hydraulics are identical to those used bigger machines in the range.
The powertrain features new axles with planetary reduction hubs, present both on the Medium (TF3 and TF33.9) models and the Compact (TF33.7 and TF30.9) models. The only difference lies in the overall width, which is 2,100 mm for smaller models, and 2,240 for the larger ones.
The suspended CS is also available on the Medium Duty range (on higher-spec versions). For the Compact range, conversely, operators can choose the L (Low Profile) version, which features the same cab (thus enabling potential type-approval as an agricultural tractor for those working in this sector) which is simply mounted further down, reaching a maximum height of 2,020 mm.