
A VAILABLE A TT ACHMENTS & ACCESSORIES
333066 CHAIN - 16"
333072 CHAIN - 18"
333078 CHAIN - 20"
2893201 KICK GUARD KIT
160336601 GUIDE BAR - 16"
180337201 GUIDE BAR - 18"
200337801 GUIDE BAR - 20"
99988801205 FIXED NOSE CASE
PARTS CATALOG
CHAINSAW
43.6cc
MODEL: SERIAL NUMBERS
CS-4400 T ype 1E: 001001 - 101000
©2005 ECHO, Incorporated. All Right s Reserved
ECHO, INCORPORA TED
400 Oakwood Road Lake Zurich, Illinois 60047
WWW.ECHO-USA.COM
99922202836
REVISED 07/27/01

CS-4400 TYPE 1E
29
41
30
40
40
36
39
38
37
35
ENGINE/EXTERNAL, INTERNAL, CRANKCASE, OIL TANK, CYLINDER COVER
38
33
42
32
34
17
19
1
5
18
16
2
3
4
8
9
11
7
12
6
10
32
30
33
29
31
28
24
27
26
23
25
10
11
22
12
13
21
13
20
15
14
2

ENGINE/EXTERNAL, INTERNAL, CRANKCASE, OIL T ANK, CYLINDER COVER
KEY PART NUMBER QTY DESCRIPTION REMARKS
1 89019130130 1 LABEL, CAUTION
2 89019230135 1 LABEL, BAR & CHAIN
3 89015139330 1 LABEL, MODEL
4 10150138930 1 COVER ASY, CYLINDER INCLUDES ITEMS 5 - 7
5 16389038330 3 BOLT
6 10157938330 1 PLATE, WIND PROOF
7 90058000004 1 NUT, PUSH 4
8 43300019831 1 CATCHER KIT, CHAIN INCLUDE ITEM 9
9 90022005018 1 SCREW 5X18
10 10091838330 2 CAP, CUSHION
11 10091533930 2 SCREW
12 10092138330 2 CUSHION
13 90023805016 3 SCREW 5X16
14 43304539330 1 COVER
15 10400539330 1 COVER, ENGINE INCLUDES ITEMS 16 & 17
16 10021503930 2 PIN, DOWEL
17 43301119830 2 STUD, GUIDE BAR
18 43301419830 1 TENSIONER
19 43301638330 1 SCREW, TENSIONER
20 43600539330 1 TANK, OIL INCLUDES ITEMS 21 - 23
CS-4400 TYPE 1E
21 43601938330 1 GASKET, OIL TANK
22 90016204016 3 BOLT, H.S. 4X16
23 43611413930 1 VALVE, CHECK
24 43600137933 1 CAP ASY, OIL TANK INCLUDES ITEMS 25 - 28
25 13105119830 1 LINK
26 90024603008 1 SCREW 3X8
27 13105019830 1 RETAINER, LINK
28 90072502025 1 O-RING
29 10020238930 1 CRANKCASE SET INCLUDES ITEM 30 (4-EA)
30 90016205022 8 BOLT, H.S. 5X22
31 10010138330 1 CRANKSHAFT ASY INCLUDES ITEMS 32 - 34
32 10021338330 2 OILSEAL
33 90081036201 2 BEARING, BALL 6201
34 43706338330 1 GEAR, WORM
35 10014242030 1 KEY, WOODRUFF
36 10000038930 1 PISTON KIT INCLUDES ITEMS 37 - 40
37 10001235430 1 BEARING, NEEDLE
38 10001503930 2 CIRCLIP, PISTON PIN
39 10001335430 1 PIN, PISTON
40 10001138930 2 RING, PISTON
41 13051635430 1 SPRING, TENSION
42 13051038330 1 ADAPTER, INTAKE
REPOWER ENGINE
SB1025 1 SHORT BLOCK INCLUDES FACTORY ASSEMBLED CYLINDER,
CRANKCASE, PISTON, CRANKSHAFT,
BEARINGS, SEALS & GASKETS
3

CS-4400 TYPE 1E
ST ARTER, IGNITION, INT AKE, AIR FIL TER, EXHAUST , ST OP SWITCH
21
20
19
26
25
23
24
18
17
16
15
14
22
27
13
12
1
2
3
4
5
29
11
6
7
8
10
30
9
31
32
52
51
50
49
48
42
47
46
45
44
43
40
28
39
41
38
37
35
36
33
34
4

ST ARTER, IGNITION, INT AKE, AIR FIL TER, EXHAUST , ST OP SWITCH
KEY PART NUMBER QTY DESCRIPTION REMARKS
1 13040538331 1 BRACKET, AIR CLEANER
2 13031038330 1 FILTER, AIR
3 13030138331 1 ELBOW, CARBURETOR
4 90016205050 2 BOLT, H.S. 5X50
5 13043038330 1 CUSHION
6 17801138331 1 ROD, THROTTLE
7 17881038330 1 GROMMET
8 17851038330 1 ROD, CHOKE
9 16340038330 1 SWITCH, IGNITION
10 89015737330 1 LABEL, SWITCH
11 16381038330 1 BRACKET, SWITCH
12 16201038330 1 LEAD, GROUND
13 90022004006 1 SCREW 4X6
14 14580039330 1 MUFFLER ASY INCLUDES ITEMS 15 - 18
15 90025004008 2 SCREW 4X8
16 14586335430 1 LID, MUFFLER
17 14588435430 1 SCREEN, ARRESTOR
18 14551035431 1 GASKET, MUFFLER
19 90010505014 2 BOLT, H.S. 5X14
20 14571135430 1 PLATE
21 90010504006 1 BOLT, H.S. 4X6
22 12300039330 1 CARBURETOR WT-416
23 13000038330 1 INSULATOR KIT INCLUDES ITEMS 24 - 26
24 13001038330 1 GASKET, INTAKE
25 13002033330 2 NUT
26 13036638330 1 CUSHION
27 13011038330 1 PIPE, IMPULSE
28 90016204030 2 BOLT, H.S. 4X30
29 15662638331 1 COIL, IGNITION
30 15901716431 1 PLUG, SPARK
CS-4400 TYPE 1E
31 15901103432 1 COIL, SPARK PLUG CAP
32 15901201620 1 CAP, SPARK PLUG
33 15680038931 1 FLYWHEEL
34 90060500008 1 WASHER, SPRING 8
35 90050000008 1 NUT 8
36 17723435430 2 SPRING, RETURN
37 90060300005 2 WASHER 5
38 17724704630 2 SPACER, RATCHET
39 17721819830 2 PAWL, STARTER
40 90016205014 2 BOLT, H.S. 5X14
41 10153538930 1 COVER, FAN
42 17720039331 1 STARTER ASY INCLUDES ITEMS 43 - 51
43 90023805012 1 SCREW 5X12
44 17721402830 1 WASHER
45 ------------------- 1 ROPE, STARTER USE BULK ROPE 99944400045
DIA. 3.5MM (.14") X L 1000 (39.4")
46 17721538330 1 DRUM, STARTER
47 17722138330 1 PLATE, STARTER
48 17722035430 1 SPRING, REWIND
49 90029603014 1 SCREW 3X14
50 17722835430 1 GRIP, STARTER
51 17722737930 1 GUIDE, ROPE
52 90023805018 4 SCREW 5X18
5

CS-4400 TYPE 1E
HANDLES, FRONT/REAR, OILER, FUEL SYSTEM, THROTTLE TRIGGER
26
25
20
19
18
17
11
14
27
12
13
23
22
24
1
2
3
4
6
5
21
9
8
7
14
16
10
11
12
13
15
34
33
32
28
4
4
6
29
30
31

HANDLES, FRONT/REAR, OILER, FUEL SYSTEM, THROTTLE TRIGGER
KEY PART NUMBER QTY DESCRIPTION REMARKS
1 13211504920 1 GROMMET
2 13201038330 1 PIPE
3 13120519830 1 STRAINER, FUEL
4 13201326630 3 CLIP
5 90034540030 1 PIN, SPRING 4X30
6 17804335430 1 SPRING, THROTTLE RETURN
7 17801038330 1 CONTROL, THROTTLE
8 17809037930 1 LOCKOUT, THROTTLE CONTROL
9 35115535430 1 COVER, HANDLE
10 90025304014 1 SCREW 4X14
11 10091838330 2 CAP, CUSHION
12 10091532530 2 BOLT
13 10092138330 2 CUSHION
14 10091038330 2 CUSHION
15 35111119830 1 GRIP, HANDLE
16 35110139330 1 HANDLE KIT, REAR INCLUDES ITEMS 17 - 20
17 13130040630 1 VENT ASY
18 13132840630 1 COVER, VENT
19 13201326630 1 CLIP
20 13201239330 1 PIPE ASY, W/GROMMET
CS-4400 TYPE 1E
21 17830212330 1 LATCH, THROTTLE
22 13100437931 1 CAP ASY, FUEL TANK INCLUDES ITEMS 23 & 24
23 90072000022 1 O-RING 22
24 13105119830 1 CLIP, FUEL CAP
25 90025305016 2 SCREW 5X16
26 35160638330 1 HANDLE, FRONT
27 90026805020 2 SCREW, TAPPING
28 43722938331 1 PIPE, OIL
29 43700238330 1 AUTO-OILER ASY
30 90022304016 2 SCREW
31 17531038330 1 PLATE, SEAL
32 43620514730 1 STRAINER, OIL
33 43721038330 1 PIPE, OIL
34 13211512330 1 GROMMET
7

CS-4400 TYPE 1E
CLUTCH, CHAIN BRAKE, GUIDE BAR, CHAIN, TOOLS
4
3
2
5
10
16
18
6
7
17
26
25
1
8
9
13
12
20
4
2
3
5
15
14
19
24
10
6
23
2
11
27
8
9
7
22
11
20
12
13
19
14
15
16
18
17
38
37
33
21
36
35
34
33
30
29
31
32
28
39
40
8

CLUTCH, CHAIN BRAKE, GUIDE BAR, CHAIN, TOOLS
KEY PART NUMBER QTY DESCRIPTION REMARKS
1 43310039030 1 CHAIN BRAKE ASY INCLUDES ITEMS 2 - 20
2 43320139031 1 LEVER KIT, BRAKE INCLUDES ITEMS 2 - 10
3 90050000004 2 NUT 4
4 43317139330 1 WEIGHT, BRAKE
5 90023804018 2 SCREW 4X18
6 90020905030 1 SCREW 5X30
7 43311438330 1 SPRING
8 43316739130 1 SPACER
9 90056000005 1 LOCKNUT 5
10 90033030240 1 ROLLER 3X24
11 43300539330 1 GUARD, SPROCKET
12 43312235430 1 SPRING, BRAKE
13 43320935430 1 STOPPER, BRAKE
14 43311538330 1 COLLAR
15 43320835431 1 LEVER, BRAKE
16 90033040088 1 ROLLER 4X8.8
17 43314235430 1 ADJUSTER
18 43312335430 1 BAND, BRAKE
19 43331039330 1 COVER, BRAKE
20 90025304010 2 SCREW 4X10
CS-4400 TYPE 1E
21 43301335431 1 PLATE, SPROCKET GUARD
22 90022004006 1 SCREW 4X6
23 90022003006 1 SCREW 3X6
24 43301238330 1 PLATE, GUIDE
25 88020038330 1 BUMPER, SPIKED KIT INCLUDES ITEM 26
26 90010505012 2 BOLT, H.S. 5X12
27 43301912330 2 NUT, FLANGE 8
28 17500035431 1 CLUTCH ASY INCLUDES ITEMS 29 - 34
29 17501919830 3 PLATE, CLUTCH
30 17506235430 3 SPACER
31 17501635430 1 HUB, CLUTCH
32 17501819830 1 SPRING, CLUTCH
33 17500219830 1 SHOE, CLUTCH (3)
34 90010504006 6 BOLT, H.S. 4X6
35 17501214630 1 BEARING, NEEDLE
36 17510535430 1 DRUM, CLUTCH
37 17511412530 1 RIM, SPROCKET
38 17501938330 1 PLATE, CLUTCH
39 89541002830 1 WRENCH, W/SCREWDRIVER
40 89581203930 1 SCREWDRIVER 50
9

CS-4400 TYPE 1E
30
29
12
31
CARBURETOR
1
2
3
4
8
5
6
7
10
9
11
12
13
14
27
28
27
26
23
25
22
24
21
16
15
12
17
18
19
20
10

CARBURETOR
KEY PART NUMBER QTY DESCRIPTION REMARKS
12300039330 1 CARBURETOR WT-416 INCLUDES THE FOLLOWING ITEMS
1 A 4 SCREW
2 12314203930 1 COVER, METERING DIAPHRAGM
3 A B 1 METERING DIAPHRAGM
4 A B 1 GASKET, METERING DIAPHRAGM
5 A 1 LEVER, METERING
6 A 1 SPRING, METERING LEVER
7 A 1 VALVE, INLET NEEDLE
8 A 1 SCREW, METERING LEVER PIN
9 A 1 PIN, METERING LEVER
1 0 A 1 PLUG, WELCH
11 12313135430 1 SHAFT, CHOKE
12 12311403930 3 SCREW
13 12315038330 1 LEVER, THROTTLE
14 12312715030 1 CLIP, THROTTLE SHAFT
15 12311610530 1 VALVE, THROTTLE
1 6 A 1 SCREEN, INLET
1 7 A B 1 DIAPHRAGM, FUEL PUMP
1 8 A B 1 GASKET, FUEL PUMP
19 12312438330 1 COVER, FUEL PUMP
20 12311003930 1 SCREW
CS-4400 TYPE 1E
21 12317815030 1 PLUG, FRICTION
22 12313304260 1 SPRING, IDLE ADJUST
23 12313404260 1 SCREW, IDLE ADJUST
24 12311337530 1 SPRING, THROTTLE RETURN
25 12311735430 1 SHAFT, THROTTLE
26 12311802260 1 NEEDLE, IDLE
27 12315139230 2 CAP, LIMITER
28 12312039330 1 NEEDLE, HIGH SPEED
29 12313510630 1 SPRING, CHOKE FRICTION
30 12313610630 1 BALL, CHOKE FRICTION
31 12313237330 1 VALVE, CHOKE
A 12310039130 1 REPAIR KIT
B 12310137330 1 DIAPHRAGM/GASKET KIT
11