US Army Corps of Engineers: Document EP 1110-1-8 (Vol. 2)
View the "Construction Equipment Ownership and Operating Expense Schedules, Regions I - XII" on the US Army Corps of Engineers site from this link. Select Volume 2- Region II for the document entitled "EP 1110-1-8 (Volume 2)" which covers Region II (for the states of Delaware, District of Columbia, Illinois (east of U.S. Highway 51), Indiana, Kentucky (east of U.S. Highway 51), Maryland, Michigan (Lower Peninsula), Ohio, Virginia and West Virginia). You can only view/download the entire "EP 1110-1-8 (Volume 2)" document (3.25 MB PDF file). Each section can be individually viewed from within the entire document.
The latest date for "EP 1110-1-8 (Volume 2)" is 11/30/2011. This document is updated periodically.
Chapter 2 "Methodology for Construction Equipment" in "EP 1110-1-8 (Volume 2)" contains Hourly Equipment Rates and Operating Expenses for various types of heavy equipment (grouped by manufacturer). These values are in tabular form in Table 2-1 "Hourly Equipment Ownership and Operating Expense" that begins on Page 2-19.