Table 2. Average calculated consumption (l/1000 m³ ub) at harvesting and forwarding based on the questionnaire answers (N).

	Forwarders			Single-grip harvesters			Two grip harvesters
	Consum.	Std. Error	N	Consum.	Std. Error	N	Consum.	Std. Error	N
Diesel oil	935	36	81	1167	54	89	1010	65	21
Hydraulic oil	17	2	74	34.6	3	71	32	4	19
Motor oil	8	0.6	62	8.5	0.8	61	6	0.5	19
Transmission oil	6	0.7	55	3.5	0.5	54	5	1	19
Greases*	1.5	0.2	35	1.8	0.3	37	1	0.2	9
Chainsaw oil				35	5	63	21	2.5	20

* kg/1 000 m³ ub

Return to article