Caterpillar 426/426 Series II Loader Backhoe
The 426 has a Perkins 4.236 engine producing 70 flywheel horsepower (FWHP). It comes standard with a four-speed shuttle and load sensing hydraulic system.
The 426 was given a 7BC serial number prefix.
Throughout its history, the Cat 426 has undergone a multitude of modifications.
In 1986 Caterpillar made a multi-purpose bucket available, beginning with 7BC00210. A new exhaust pipe was added, beginning with 7BC00364. Altitude-compensating turbo was available, beginning with 7BC00370. Modifications were made to the hydraulic control valves for backhoe swing, boom, stick, and loader lift, beginning with 7BC00535.
In 1987 grease zerks were added in the backhoe bucket linkage, beginning with 7BC00959. The stabilizer cylinder piston retaining bolt size was increased, beginning with 7BC01105. The stick cylinder piston retaining bolt size was increased, beginning with 7BC01140. Grease zerks were added in the loader bucket linkage, beginning with 7BC01269. Air conditioning became available, beginning with 7BC01309. The fuel tanks were modified to include filler neck and pick-up tube screens, beginning with 7BC01318. A redesigned glass shape was added, beginning with 7BC01628. The swing system was modified to increase torque and speed, and eliminate wag, beginning with 7BC01662.
In 1988 backhoe digging forces were increased and the bucket linkage was modified, beginning with 7BC01878. All wheel drive gears were removed from two wheel drive units, beginning with 7BC02007. The seat slides were modified, beginning with 7BC02017. A new work light arrangement was added for better roading and working, beginning with 7BC02175.
In 1990 Cat introduced Series II, which included a tighter turning radius and increased fuel capacity by 33 percent, beginning with 7BC03477.
In 1991 an ether starting aid was made optional, beginning with 7BC04200 or earlier.
Production of 426/426 II ended in 1992.
The Caterpillar 426/426 II was replaced by Caterpillar 426B.
Based on data from the sales database of Ritchie Bros. Auctioneers, it is estimated that more than 5,400 Caterpillar 426/426 Series II loader backhoes have been produced.
|Total = 5,463|