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LAMMA 2021

LAMMA 2021

Performance and emissions upgrades for Kubota's M4 and M5 tractor ranges

Kubota has launched the M5002 and M4003 series tractor ranges, with several performance and emission upgrades over their predecessors, the M5001 and M4002.

Introduced to meet Stage 5 emissions compliance, these updated models include the 66hp M4063, the 74hp M4073, the 96hp M5092 and the 115hp M5112. Where the M4063 can be specified in open-station format with ROPS frame or equipped with a fully-glazed safety cab, the remaining models are only available with a fully glazed safety cab.

 

Power for the M4 comes from a 3.3-litre, four-cylinder engine. It meets the latest emissions regulations using a diesel particulate filter (DPF) combined with a diesel oxidation catalyst (DOC) in a single canister. The after-treatment package has been integrated beneath the bonnet, delivering low emissions while maintaining visibility to the front and sides of the tractor, the manufacturer says.

 

While the engine benefits from 500-hour oil change intervals, the DPF comes with a 6,000-hour cleaning interval, twice that of its predecessor. DPF regeneration now occurs using lower engine rpm, typically 1,100rpm instead of 2,000rpm, claims the manufacturer.

 

The larger M5 range uses a 3.8-litre, four-cylinder engine and has a DPF, DOC and selective catalytic reduction for exhaust after-treatment. It too boasts an extended interval of 6,000 hours for DPF servicing, up from 3,000 hours, with regeneration achieved at lower operating revs, due to improved filter performance.

The M4 range is powered by a 3.3-litre, four-cylinder engine using a diesel particulate filter and a diesel oxidation catalyst in a single canister for emissions control.
The M4 range is powered by a 3.3-litre, four-cylinder engine using a diesel particulate filter and a diesel oxidation catalyst in a single canister for emissions control.

The M4’s transmission uses six synchonised speeds in three ranges, creating an 18 by 18 arrangement. On the larger M4073 model and the M5 range the addition of a Hi-Lo powersplit, this transmission is also available as a 36 by 36. All models benefit from an overdrive gear, which delivers a 40kph road speed at 1,945 engine rpm. Cabbed models benefit from the Hi-Lo and declutch button located on the gear lever.

 

An electro-hydraulic shuttle and dual memory settings for engine rpm improve operator convenience, while an LED work light pack is now fitted as standard. All new models are equipped with 540/540E pto speeds as standard, with 540/1,000rpm available as an option. Ground speed pto can also be specified.

 

An electronic rear linkage control option is available on cabbed models to replace the mechanical controls, and it also adds linkage raise/lower and pto activation buttons to the left-hand rear mudguard, to simplify implement changing. On the M4 models hydraulic performance is 63 litre/minute affording the Category 2 rear three-point linkage a 2.5t lift capacity, while the M5 models feature a 64.3 litre/minute hydraulic pump and the Category 2 rear linkage provides a 4.1t lift capacity.

 

Both M5002 models can also be fitted with the manufacturer’s LA1854 front-end loader and all M4 models can be fitted with an LA1365 front-end loader.

 

Prices start at £36,241 for the M4063 with cab, and from £44,693 for the M5092 model.

The M5 range uses a 3.8-litre, four-cylinder engine and has a DPF, DOC and selective catalytic reduction for exhaust after-treatment, with longer service intervals than its predecessor.
The M5 range uses a 3.8-litre, four-cylinder engine and has a DPF, DOC and selective catalytic reduction for exhaust after-treatment, with longer service intervals than its predecessor.
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