Tire Load Rating

Tire industry uses a term “load index” to define a load rating of a tire. Load index maximum amount of weight that can be supported by each tire at manufacturer’s rated pressure is shown in this chart.

IMPORTANT: Tire load capacity can exceed allowable axle loading. Ballast tractor according to engine power and weight split guidelines. See Performance Ballasting Section in this Operator’s Manual for more information.

Tire Load Index	Maximum Load Per Tire
137	2300 kg (5071 lb.)
141	2575 kg (5677 lb.)
142	2650 kg (5842 lb.)
143	2725 kg (6008 lb.)
144	2800 kg (6173 lb.)
145	2900 kg (6393 lb.)
146	3000 kg (6614 lb.)
147	3075 kg (6779 lb.)
148	3150 kg (6944 lb.)
149	3250 kg (7165 lb.)
150	3350 kg (7385 lb.)
151	3450 kg (7606 lb.)
152	3550 kg (7826 lb.)
154	3750 kg (8267 lb.)
155	3875 kg (8543 lb.)
157	4125 kg (9094 lb.)
158	4250 kg (9370 lb.)
159	4375 kg (9645 lb.)
160	4500 kg (9921 lb.)
163	4875 kg (10747 lb.)
164	5000 kg (11023 lb.)
166	5300 kg (11684 lb.)
167	5450 kg (12015 lb.)
168	5600 kg (12346 lb.)
170	6000 kg (13228 lb.)
171	6150 kg (13558 lb.)
173	6500 kg (14330 lb.)
175	6900 kg (15212 lb.)
176	7100 kg (15653 lb.)
178	7500 kg (16535 lb.)
179	7750 kg (17086 lb.)