Rad obrađuje dimenzijske značajke utovarnoga prostora forvardera, a koje norma ISO 13860 (2016) određuje trima dimenzijama zasnovanim na neposrednom mjerenju (duljina utovarnoga prostora, širina između držača tereta, visina držača tereta) te dvjema posrednim (računske) dimenzijama (površina poprečnoga presjeka utovarnoga prostora forvardera i visina težišta tereta). Iako za te pokazatelje utovarnoga prostora forvardera norma ISO 13860 (2016) daje definicije, za dva računska pokazatelja nije objašnjen način njihova izračuna te na kojim se dimenzijama utovarnoga prostora zasnivaju.Poticaji za pisanje ovoga rada jesu: 1) pojašnjenje važnosti poznavanja dimenzijskih pokazatelja utovarnoga prostora forvardera, 2) izrada prijedloga načina izračuna poprečnoga presjeka utovarnoga prostora forvardera i visine težišta tereta forvardera te 3) određivanje dodatnih potrebnih mjernih dimenzijskih značajki utovarnoga prostora.Na osnovi predloženih mjerenja prikazane su dimenzije, ali i računske značajke utovarnoga prostora osmokotačnoga forvardera Komatsu 875. The paper deals with the dimensional characteristics of the forwarder loading space, which is determined by ISO 13860 (2016) through three dimensions based on direct measurement (distance of load bunk headboard to rearmost bunk, width across stakes, stake height) and two indirect (calculative) dimensions (cross-sectional area of load space and height of load centre). Although the ISO 13860 (2016) standard provides definitions for the listed indicators of the forwarder loading space, the method of their calculation, as well as the dimensions of the loading space, are not explained for the two calculative indicators. The aim of this paper was to: 1) clarify the importance of knowing the dimensional indicators of forwarder loading space; 2) draft a proposal for calculating the cross-sectional area of forwarder load space and height of load centre; and 3) determine additional (required) dimensional characteristics of loading space. Based on the proposed measurements, the dimensions and computational characteristics of the loading space of the eight-wheeled Komatsu 875 forwarder are presented.