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 November 17, 1998 with respect to the
consolidated financial statements of United Rentals (North America), 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. 333-64227) and the related Prospectus of
United Rentals (North America), Inc. for the registration of $205,000,000
aggregate principal value of its 8.80% Senior Subordinated Notes.     
                                             
                                          /s/ Ernst & Young LLP     
   
MetroPark, New Jersey     
   
December 11, 1998