In 1989, at the same time as the Same Antares 100 hit the market, Lamborghini introduced the 105 Formula. What set the sibling model Formula apart were its styling, color, a water-cooled engine that was 3 hp more powerful, and larger tires. The hood design was still Lamborghini’s traditional one, tapering downward. The engine was a new, turbocharged 4.0-liter from the 1000 series with an intercooler. The transmission offered 40+40 speeds, hydraulic shuttle shifting, and creeper gears.

The hydraulic pump delivered either 42 or 56 liters per minute, and lift capacity was 4,760 kg. There were four standard forward speeds plus a power take-off. Dimensionally the tractor was compact, but its 9.9-meter turning radius was rather large. The narrow cab was the same as on the Same Explore/Antares 100, and noise level was rated at 82 dB.

The equivalent model at Hürlimann was the H-4105 Elite.

Just as with the Same Antares line, in 1991 Lamborghini also unveiled six-cylinder Formulas 115 and 135, which had little in common with the smaller models of the same name. Their styling was more rounded and substantial than before. The engine was a new water-cooled 6.0-liter unit. Power was once again slightly higher than on the Same air-cooled and turbo models, and torque rose by as much as 33%. The transmission was a 36+36 speed gearbox with two-stage power shift (without the power shift it was 18+18, with creeper gears 48+48). The 135 was beefier than its little brother in several respects, for example in its 348 mm clutch.

Both models had a lift capacity of 6,200 kg, and an electric lift control was standard. The cab was roomier and more refined than on the smaller Formula, and noise level was 77–78 dB. SBA differential-lock automation was standard at least in Germany.

The corresponding Hürlimann models were the H-6115 and H-6135 Elite.

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