Modular, high-performance large robots. Suitable for payload ranges from 220 kg to 310 kg. Offering customers more choices, higher performance, and energy savings of up to 20%. ABB further expands its large-robot family with four energy-efficient new products, including 22 variants to cover a broader range of applications, giving customers more choices and higher performance. The new generation of large robots includes IRB 6710, IRB 6720, IRB 6730 and IRB 6740, suitable for payload ranges from 150 kg to 310 kg and reach from 2.5 m to 3.2 m, providing customers with more choices, significantly improving performance and reducing energy consumption. The IRB 6710-6740 large robot series was developed to meet diverse and changing needs, helping customers in industries including automotive, electric vehicles, general industry, foundry, electronics, food and beverage, and logistics ensure production continuity and business resilience. Thanks to the outstanding motion control of the OmniCore™ controller, this robot series offers industry-leading 0.03 mm repeatability and excellent cycle times. Energy savings: A simplified design reduces body weight by 10%[1], while use of the OmniCore controller can save up to 20% of energy consumption[2]. More choices: The modular design of the series offers 22 powerful variants to meet different customer needs. Long-lasting durability: 11 of these robots are equipped with Lea

What we see on this model in the field

Heavy IRB 6600/6700/7600/8700 castings must be checked for cracks at the base and arm welds. Balancing system pressure is the first health indicator we read.

Buying or selling one?

If you're buying, demand the serial number and operating hours, then verify payload and reach against the official specs in the table above. If you're selling, we buy used ABB robots of all series — on-site appraisal, prompt settlement.

Frequently asked questions

QCan you repair a ABB IRB 6740?

Yes. Our engineers service the full ABB range including the IRB 6740 — servo and gearbox overhaul, controller repair, mastering and calibration, with warranty on our work.

QDo you sell used ABB IRB 6740 robots?

Stock changes weekly. Tell us the model and your application — if it's not in the warehouse we source it, inspect it against the official specs above, and commission it on-site.

QWhat should I check before buying this model used?

Demand the serial number and operating hours, verify payload/reach against the official table, and have the repeatability measured at working speed. Our inspection report covers gearbox backlash, controller logs and mastering data.

Official product image © ABB, used for reference. Specifications compiled from official product publications for reference when buying or servicing used machines. Henghuan is an independent service provider, not affiliated with or endorsed by KUKA, FANUC or ABB.