12 ENGLISHSPECIFICATIONSModel: DUC204 DUC254 DUC254COverall length (without guide bar) 256 mmRated voltage D.C. 18 VNet weight 2.8 - 3.3 kgStandard guide bar length 200 mm 250 mmRecommended guide bar length with 90PX 200 - 250 mm -with 91PX - 250 mm -with 25AP - 250 mmApplicable saw chain type (referto the table below)90PX 90PX91PX25APStandard sprocket Number of teeth 6 9Pitch 3/8″ 1/4″Chain speed 0 - 24 m/s(0 - 1,440 m/min)0 - 22.5 m/s(0 - 1,350 m/min)Chain oil tank volume 140 cm3• Due to our continuing program of research and development,the specifications herein are subject to change withoutnotice.• Specifications may differ from country to country.• The weight may differ depending on the attachment(s), includingthe battery cartridge. The lightest and heaviest combination,according to EPTA-Procedure 01/2014, are shown in thetable.Applicable battery cartridgeBL1815N / BL1820 / BL1820B / BL1830 / BL1830B / BL1840 / BL1840B / BL1850 / BL1850B / BL1860B• Someof the battery cartridges listed above may not beavailable depending on your region of residence.WARNING: Only use the battery cartridges listed above. Use of any other battery cartridges may causeinjury and/or fire.Saw chain, guide bar, and sprocket combinationSaw chain type 25APNumber of drive links 60Guide bar Guide bar length 250 mmType Sprocket nose barSprocket Number of teeth 6Pitch 3/8″