EXHIBIT 23(B)
 
                        CONSENT OF INDEPENDENT AUDITORS
 
  We consent to the reference to our firm under the caption "Experts" and to
the use of (i) our report dated January 30, 1998, except for Note 11, as to
which the date is September 14, 1998, with respect to the consolidated
financial statements of United Rentals, Inc., (ii) our report dated January
23, 1998, with respect to the financial statements of J&J Rental Services,
Inc., (iii) our report dated January 19, 1998, with respect to the financial
statements of Bronco Hi-Lift, Inc., (iv) our report dated January 23, 1998,
with respect to the financial statements of Mission Valley Rentals, Inc., (v)
our report dated June 24, 1998, with respect to the financial statements of
Power Rental Co., Inc., (vi) our report dated April 20, 1998, except for Note
10, as to which the date is April 22, 1998, with respect to the combined
financial statements of Valley Rentals, Inc., (vii) our report dated April 22,
1998, with respect to the financial statements of Pro Rentals, Inc., (viii)
our report dated April 15, 1998, with respect to the combined financial
statements of Able Equipment Rental, Inc., (ix) our report dated April 21,
1998, with respect to the combined financial statements of Channel Equipment
Holding, Inc., (x) our report dated April 22, 1998, with respect to the
financial statements of ASC Equipment Company, Inc. and (xi) our report dated
July 17, 1998, with respect to the combined financial statements of Adco
Equipment, Inc., in Amendment No. 1 to the Registration Statement (Form S-4
No. 333-60467) and the related Prospectus of United Rentals (North America)
Inc. for the registration of $200,000,000 aggregate principal value of its 9
1/2% Senior Subordinated Notes.
 
                                          /s/ Ernst & Young LLP
 
MetroPark, New Jersey
September 16, 1998