Generac 9777-2-4000XL Schematic and parts lict

9777-2 4000 XL Page 1 of 7
Control Panel

9777-2 4000 XL Page 2 of 7
Control Panel

Ref # Part Number DescriptionQty
1 83976 PANEL, Control1
2 83975 BOX, Control1
3 66818 OUTLET, 120 Volts AC2
4 66821 OUTLET, 12 Volts DC1
5 68867C OUTLET, 120/240 Volts, 20 Amp Locking1
6 68868C OUTLET, 120 Volts, 30 Amp Locking1
7 75207A CIRCUIT BREAKER, 30 Amp1
8 75207G CIRCUIT BREAKER, 18 Amp2
9 82538 SWITCH, On/Off Rocker1
10 84134 GROMMET, Rubber1
11 83514 CIRCUIT BREAKER, 10 Amp1
12 83970 CONTROL BOARD, System1
13 84028 TRANSFORMER, Idle Control1
14 67022 GROMMET, Rubber1
15 85584 BAR, Bus1
16 84543A SCREW, 3.0 x 12mm2
17 84543C SCREW, 3.5 x 18mm9
18 84198 SHIELD, Circuit Breaker3
19 84197 BAR, Circuit Breaker Retaining1
21 75476 SCREW, 4.15 x 16mm2
22 22264 WASHER, M4 Lock4
23 51715 NUT, M3 Hex4
24 84543B SCREW, 3.5 x 12mm10
25 84335 WIRE HARNESS1
26 82542 BAR, DC Outlet Retaining1

9777-2 4000 XL Page 3 of 7
Electrical Schematic

9777-2 4000 XL Page 4 of 7
Main Unit

9777-2 4000 XL Page 5 of 7
Main Unit

Ref # Part Number DescriptionQty
1 A93199 CRADLE, XL1
2 A84021 SUPPORT, Engine1
3 ~NSP ENGINE1
4 66365 HOUSING, Engine Adapter1
5 84141J ASSEMBLY, Rotor1
6 83540J ASSEMBLY, Stator1
7 65791 BEARING1
8 96796 WASHER, M8 Flat1
10 86307 HHMS, 5/16-24 x 3/44
11 47480 HHCS, 5/16-24 x 7"1
12 84508 MOUNT, Vibration 45°.2
13 52858 NUT, M8 Locking8
14 83208 BRACKET, Muffler1
15 B4986 DECAL, Ground1
16 66476 HHMS, LW M6 1.00 x 122
17 89476 GASKET, Exhaust1
18 70644 PPHMS, M8 1.25 x 201
19 84346 PPHMS, M8 x 353
20 40976 SHCS, M8 1.25 x 202
21 83083 SCREEN, Spark Arrest1
22 83071 MUFFLER1
23 81917 PIN, Roll M4 x 101
25 66825B CARRIER, Rear Bearing1
26 85652 MOUNT, Vibration2
27 67989 NUT, M8 Flanged Serrated2
30 74908 TAPTITE, M5-0.8 x 104
32 86308 BOLT, M6- 1.0 x 1154
33 65795 RECTIFIER, Battery Charge1
34 66849A TAPTITE, M5 0.8 x 201
35 67022 GROMMET, Rubber1
36 84132 ASSMBLY, Drive Module Pwr Reg.1
37 66386 ASSEMBLY, Brush Holder1
38 66849 TAPTITE, M5 0.8 x 162
39 B4871 COVER, Bearing Carrier1
41 86494 SCREW, M6 -1.0 x 16 Wing1
42 86292 HHCS, 10 - 16 x 3/4" Self Driller1
43 77395 NUT, M6 Flange Lock4
44 83465 GROMMET, Tank4
46 78831B HHMS, M6 1.0 x 604
47 80270 VALVE, Tank1
48 78299 BUSHING, Plastic Tank1
49 85134 GAUGE, Fuel1
50 88325 TANK, Fuel1
51 B84042 SHIELD, Heat1
52 84687 INSULATION, #2-1/4" Thick1
53 85000 CLIP, Insulation1
54 14353621 WIRE, Ground1
55 23762 WASHER, Shakeproof #101
56 26850 WASHER, M6 Shakeproof2
60 B4399 DECAL, Control Panel1
61 92982 DECAL, Danger1
62 B4398 DECAL, Heat Shield2
63 93826 DECAL, Operating Instructions1
64 73054 DECAL, Fuel Shut Off1
65 20566 DECAL, Generac 1-8001
66 77816 DECAL, Caution Hot Muffler1
67 87116 ASSY, Control Panel1
68 B2153 HHCS, 12 - 14 x 7/8 Self Drill4

9777-2 4000 XL Page 6 of 7
Main Unit

Ref # Part Number DescriptionQty
69 84409 SLEEVING, Flexo, HW 1/2" x .83 ft.1

37806 120 Volt AC 30 Amp Plug Not Illustrated
43483 120/240 Volt AC 20 Amp Plug Not Illustrated
65787 Battery Charge Cable Not Illustrated
72347 Spark Plug Not Illustrated
78601 Air Filter Not Illustrated
84882 Spark Plug Wrench Not Illustrated
B4400 Owner's Manual Not Illustrated
B4572 Video Not Illustrated
BB3061 Oil, 28 oz. Not Illustrated
~NSP Engine Owner's Manual Not Illustrated
84883 Cord Wrap Optional Accessory; Not Included
84895 Storage Cover Optional Accessory; Not Included

9777-2 4000 XL Page 7 of 7
Wiring Diagram