- generating set
- geotechnical investigation
- glide slope
- gliding angle
- gliding flight
- gondola car
- gong buoy
- grand union
- goods depot
- goods inwards
- goods lorry
- goods porter
- goods shed
- goods van
- granny knot
- grating
- grave
- grave digger
- grab dredge
- grab dredger
- grade separation
- grade stake
- gradient post
- gradient ratio
- graduated brake
- graduated release
- graving dock
- gravity discharging
- grease seal
- grip
- grooved rail
- gross ton
- gravity unloading
- green period
- grommet
- ground angle
- group ticket
- grouping
- guard rail
- guide axle
- gusset plate
- gust envelope
- gross proceed
- ground installations
- ground level
- ground speed
- ground swell
- ground wave
- grouping car
- grouping traffic
- guaranteed weight
- guidance
- guidance magnet
- guide beam
- guided road
- gust lock
- gyro amplifier
- gyro instruments
- habour station
- half ahead
- hand packer
- group speed
- grouping wagon
- guarded crossing
- guardrail nosing
- guide light
- guiding mark
- gyroscopic platform
- halyard
- hand signal
- hand tamper
- handbrake
- handbrake chain
- handbrake handle
- handbrake test
- handbrake weight
- handbrake application
- handbrake gear
- handbrake rod
- handbrake wheel
- handling charge
- harbor ferry
- hardened verge
- hatch
- hatch cover
- haul
- haul alongside
- haul up
- hauling engine
- hailing distance
- half-barrier
- half-mast
- halt
- hammock
- hand baggage
- hand car
- hand luggage
- handbrake end
- handbrake level
- harbor dues