Gx120 lf main

GX120 (4 hp)

Ready for almost anything. Low noise levels and emissions with plenty of power and reliability.

GX120 Features and applications

Features

Precision camshaft design for precise valve timing and optimal valve overlap
Ball-bearing supported crankshaft for improved stability
Dual oil drains and fill
Oil Alert
Large capacity, multi-chamber exhaust system

Applications

Commercial lawn and garden equipment
Tillers/cultivators
Generators
Construction/industrial equipment
Agricultural equipment
Water pumps

GX120 Specifications

Engine type air-cooled 4-stroke overhead valve single cylinder
Bore x Stroke GCBMT : 66 x 42 mm (2.60 x 1.65 in)GCAGT : 60 x 42 mm (2.36 x 1.65 in)
Displacement GCBMT : 118 cc (7.2 cu-in)GCAGT : 119 cc (7.2 cu-in)
Net power output 2.6 kW (3.5 hp) @ 3 600 rpm
Net torque 7.3 Nm (5.4 lb-ft) @ 2 500 rpm
PTO shaft rotation counterclockwise (from PTO shaft side)
Compression ratio 8.5 : 1
Fuel tank capacity 2 L (0.44 CA gal, 0.53 US gal)
Carburetor horizontal type, butterfly type
Ignition system GCBMT : C.D.I. (Capacitor discharge ignition) type magneto ignitionGCAGT : Transistorized magneto
Lubrication system forced splash
Governor system centrifugal mechanical
Oil capacity 0.56 L (0.49 qt (Imp), 0.59 US qt)
Fuel unleaded gasoline with a pump octane rating of 86 or higher

GX120 Engine types / Horizontal Crankshaft

Model code PTO type PTO diameter/taper PTO reduction Starter Oil alert (shut down) Air filter type
straight 3/4" 6 to 1 recoil yes dual element
straight 3/4" no recoil no dual element
straight 3/4" no recoil yes dual element
straight 18 mm no recoil no dual element
straight 5/8 - 18 UNF no recoil yes dual element
Gx120ut2 gx160ut2 gx200ut2 h type
X1202HX Download diagram
PTO type straight
PTO diameter/taper 3/4"
PTO reduction 6 to 1
PTO bolt size 5/16 - 24 UNF
Starter recoil
Oil alert (shut down) yes
Air filter type dual element
Muffler type standard
Loading coil no
Dry weight 15.5 kg (34.2 lb)
Model code GCBMT
Gx120ut2 gx160ut2 gx200ut2 q type
X1202QH Download diagram
PTO type straight
PTO diameter/taper 3/4"
PTO reduction no
PTO bolt size 5/16 - 24 UNF
Starter recoil
Oil alert (shut down) no
Air filter type dual element
Muffler type standard
Loading coil no
Dry weight 13.0 kg (28.7 lb)
Model code GCBMT
Gx120ut2 gx160ut2 gx200ut2 q type
X1202QX Download diagram
PTO type straight
PTO diameter/taper 3/4"
PTO reduction no
PTO bolt size 5/16 - 24 UNF
Starter recoil
Oil alert (shut down) yes
Air filter type dual element
Muffler type standard
Loading coil no
Dry weight 13.0 kg (28.7 lb)
Model code GCBMT
Gx120ut2 gx160ut2 gx200ut2 s type
X1202SHQ Download diagram
PTO type straight
PTO diameter/taper 18 mm
PTO reduction no
PTO bolt size M8 x 1.25 mm
Starter recoil
Oil alert (shut down) no
Air filter type dual element
Muffler type standard
Loading coil no
Dry weight 13.0 kg (28.7 lb)
Model code GCBMT
Gx120ut2 gx160ut2 gx200ut2 t type
X1202TX Download diagram
PTO type straight
PTO diameter/taper 5/8 - 18 UNF
PTO reduction no
PTO bolt size -
Starter recoil
Oil alert (shut down) yes
Air filter type dual element
Muffler type standard
Loading coil no
Dry weight 13.0 kg (28.7 lb)
Model code GCBMT et GCAGT