us fill an A60H in just four passes,” explains Wayne. “When we were loading A60H’s at EMG with an EC750, it took five to six passes to move the same amount of material. And the EC950’s four passes are taking place in 45-50 seconds, generating consistent payloads of 60-62 tonnes.”
For the statistically minded, the EC950F packs a 612hp punch from its EU Stage V-complaint Volvo D16 engine, which powers three hydraulic pumps. The EC950’s main hydraulic control valve is 50% bigger than that used on the 75-tonne EC750. For Collins’ muck-shifting requirements, the EC950F is equipped with a 7.25m boom with boom float, and a 2.95m ME arm. The mass-excavation configuration also means a bigger bucket cylinder to generate more breakout – typically 43 tonnes- force of bucket tearout. The 6.75 cubic metre bucket gets floating pins that are sealed for life, while an auto-lube system takes care of the machine’s main points.
Keeping the front-end of the EC950 in balance is a 14.5 tonne, hydraulically removable counterweight. This simplifies machine movements too, as Collins Earthworks has built a cradle for one of its low-loader trailers, allowing the excavator to reverse up to the truck, and lower the weight directly into its transport cradle. The machine’s undercarriage is adjustable too, from a 3.55m working width to a 2.79m transport width. These features will reduce a lot of the associated set-up cost when the EC950F is moved from site-to-site. Decked out with Collins’ distinctive blue sign-writing, plus blue cab roof and bucket pin caps, the EC950F also features a striking new design of high-vis blue and white decal across the rear of its counterweight.
34 THE VOICE MAGAZINE No39 2021
Additional specification of the flagship machine includes a heated and cooled air-suspension seat, and Volvo’s Smart View camera system, providing a 360-degree view around the machine. Both are elements that EC950F’s Operator Mark Oakley appreciates.
“Having spent thousands of hours on an EC750, I can’t believe the speed and power of the EC950F,” says Mark Oakley. “The 750 was a good muck-shifter, but this is on another level.” “I didn’t expect such a big, heavy machine to feel this agile and this nimble,” adds Mark. “The overall machine balance is impressive, and it is so stable that I believe it could comfortably handle a bigger bucket on this material.” ■ GEOFF ASHCROFT
“The EC950F has been on our radar for some time. We’ve enjoyed great productivity with our fleet of EC750’s on previous projects, but the EC950 has now raised our performance another notch – or maybe two.”
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