This year's deliveries will grow the size of the Australian Lexion fleet to more than 1000 machines.
CLAAS Harvest Centre product manager - Lexion, Steve Reeves, said almost 100 new machines will be delivered to grain producers and contractors over the next three months.
"We are very happy with sales growth over the past decade, and particularly the successful launch of the new Lexion 8000/7000 series," Reeves said.
"This is the biggest upgrade in the brand's 25 years and it's effectively a new machine.
"Every aspect has been re-engineered to meet the needs of today's grain producers."
CLAAS claims the Lexion 8000/7000 series delivers 10 per cent more capacity than the previous 700 series thanks to its enlarged APS Synflow Hybrid threshing and separation system.
Grain holding and unloading capacity have also been significantly increased to a maximum of 18 tonnes and 180 litres per second, respectively.
The 7600, 7700 and 8700 models are fitted with a 12.5L, six-cylinder Perkins 2206D engine, which delivers a maximum power of 343kW, 391kW and 426kW respectively.
The top-of-the-line 8800 model is equipped with a 15.6L, six-cylinder Mercedes-Benz OM 473 LA engine delivering 487kW.
On-board technology includes CLAAS' award-winning CEMOS Auto machine optimisation system, which continuously reviews and automatically adjusts the threshing, cleaning and separation settings for maximum throughput, grain quality and fuel efficiency.
Reeves said there are no plans to release the new CLAAS Trion series of medium-sized harvesters in Australia.
"TRION replaces the very popular Tucano series and brings CLAAS' medium-sized offering into line with technology previously only found on Lexion, including CEMOS Auto and Terra Trac," he said.
"However, Trion is unlikely to get a start in Australia. We are constantly reviewing our product, model and configuration mix to ensure we can meet the current and future harvesting needs of our customers.
"We are quite sure LEXION is the right series for Australia because it has that extra capacity, a choice of wider draper or variable cutterbars, a larger grain bin and the dynamic engine cooling system."