SKIDOIIMG PROCESSING LOADING 



FELLING OR OR OR OR 



SYSTEM MATERIAL FELLING-BUCKING YARDING FOREWARDING FINGERLING HAULING 



II 



III 



XDrott LC40 Timberjack "N/ Logma N/ Cat "N/ \ 



Feller-Buncher y\ 230D TV T-310 J ~ \ 950 J~\ Tr/Trlr J 



\_/ Drott LC40 \ J~ Timberjack \_/ Cat \_/ I" - \_/ \ 



Residue J -^ Feller-Buncher f \ 230D >T\ 950 J~\ Fln 9 erlln g er J ~\ Tr/Van J 



K~ ~\j r Drott LC40 \_/ Timberjack \_/ Volvo \_/ Cat V/" T /T . \ 



Logs ^ -^ Feller-Buncher /\ 230D A SM 880 J ~ \ 950 TV ' J 



Z~ \_y Drott LC40 N / Timberjack Cat \_/ ~ " W T~~ \ 



Residue FeMer _ Buncher f\ 230D f\ 950 /\ Fingerlinger Tr/Van j 



- ( ^ yc iggg > c T ^ r ~y < ~x • 950 x Tr/T " ) 



' *e S ,due ^ Timbergdc y( -nrnb^cTr^ Cat ^ Tr/Van ) 



IV 



V 



< ^ K Warn L e og:Ar sev VC^TX a K T - /Trir ) 



- ( Res,due~> { H ^||g X^Tngerlinger )-( Tr/Van~^ 



- ( Logs ~> ( Chamsaw > ( ^ ^ Cat ^ Jr/Tr|r ~) 



— ^ Residue ^ — ^ Chainsaw ^ — ^ ^SOd''* 3 ~ C 950 _^*" C Fingerlinger^^ )— Tr/Van 



- 0^~X ch ~ K G k T a !'3 X K § X T - /T - ) 



— Q Residue Chainsaw ^ - ^ ^agit ^ y_Q Cat ^ )~~ ( Fingerlinger ^ — ^ Tr/Van ^ 



Figure 7. — Equipment for alternative harvesting systems. 



Table !>.- -Operation , equipment type, and estimated production rates (piece size 

 10 ft 3 , availability 75%; 40-mile haul) 



Operation : Equipment : Production rate 



Ft 3 /h 



VI 



Fel ling 



Chainsaw 



390 



Limbing, bucking 



Chainsaw 



310 



Felling, bunching 



Drott Feller Buncher LC-40 



1,480 



Limbing, lopping 



Volvo SM880 Processor 



2,000 



Limbing, lopping 



Logma T-310 



900 



Skidding 



Grapple Skidder Timberjack 



600 





230D 





Yarding 



Skagit Gt-3 Running Skyline 



400 



Loading 



Front End-Cat 950 



1,800 



Loading 



Knuckle Boom Drott LC-40 



1,000 



Forwarding 



Front End Loader Cat 950 



1,500 



Chipping 



Fingerling Chipper 



600 



Felling, limbing, 



Timberjack RW-30 Tree-length 



500 



bunching 



Harvester 





Log hauling 



Truck and trailer 



320 





(6,000 m bd. ft) 





Fingerling hauling 



Truck and trailer 



320 





(15 unit) 





Felling, skidding 



Warner-Swasey Log-All 



200 



8 



