THE 277 HAS A RADIAL LIFT WHERE THE 87 IS VERTICLE. BOTH ARE 82HP. THE 277 IS 500LBS LESS, 277 HAS TIPPING LOAD OF 6675, AND 7743LBS FOR THE 287. IF YOU WANT TO USE IT FOR FORESTRY, I WOULD LOOK INTO THE 9C SERIES. THE 279,89,99 HAS A DIFFERENT UNDERCARRIGE THAT TAKES THE WOODS A BIT BETTER.