Genie GTH-1256

Configuration: Standard, Genie Enduro A/T 400/75-28 tires, 121 hp Deutz TCD 3.6 T4f, 4-speed powershift, stabilizers

Dimension diagram

Spec	Value	Source
Operating weight	≈ 15,649 kg	Published: 34,500 lb Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 15,649 kg; varies with options.
Max gross (laden) weight	Not published	Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Not published on the spec sheet.

Spec	Value	Source
Overall length	≈ 6,909 mm	Published: 272 in Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 B Length, stowed (without forks), 22 ft 8 in (6.91 m).
Overall width	≈ 2,591 mm	Published: 102 in Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Width, 8 ft 6 in (2.59 m).
Overall height	≈ 2,642 mm	Published: 104 in Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 A Height, stowed, 8 ft 8 in (2.63 m).
Wheelbase	≈ 3,505 mm	Published: 138 in Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 C Wheelbase, 11 ft 6 in (3.51 m).
Track gauge / tread	Not published	Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Not published on the spec sheet.
Ground clearance	≈ 381 mm	Published: 15 in Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 D Ground clearance, center, 1 ft 3 in (0.38 m); at axle 1 ft 6 in.
Turning radius	≈ 4,343 mm	Published: 171 in Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Outside (4WS), published as 14 ft 3 in (4.34 m).

Spec	Value	Source
Undercarriage type	Wheeled, 4WD / 4WS	Published: Wheeled, 4WD / 4WS Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25
Number of axles	2	Published: 2 Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25
Wheels (count)	4	Published: 4 Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25
Tire size	Genie Enduro A/T 400/75-28	Published: Genie Enduro A/T 400/75-28 Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Standard.

Spec	Value	Source
Max tire ground bearing pressure (floor loading)	Not published	Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Not published on the spec sheet.

Spec	Value	Source
Axle load, front (unladen/operating)	Not published	Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Not published on the spec sheet.
Axle load, rear (unladen/operating)	Not published	Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Not published on the spec sheet.
Axle load, front (laden/max)	Not published	Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Not published on the spec sheet.
Axle load, rear (laden/max)	Not published	Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Not published on the spec sheet.

Spec	Value	Source
Engine model	Deutz TCD 3.6	Published: Deutz TCD 3.6 Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Tier 4 Final.
Net power	Not published	Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Not published on the spec sheet.
Gross power	≈ 90.2 kW ⚠ The manufacturer does not state the rating standard (gross or net). Filed as gross power; compare with care.	Published: 121 hp Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 '121hp' from the Easy Order Configuration / standard-feature list; gross/net standard not stated.
Displacement	Not published	Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Not published on the spec sheet.
Rated speed	Not captured	—

Spec	Value	Source
Pump / aux flow	≈ 56.8 L/min	Published: 15 gpm Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Auxiliary hydraulic flow 2–15 gpm (7.57–56.8 L/min).
System / relief pressure	≈ 22.1 MPa	Published: 3,200 psi Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Auxiliary hydraulic pressure (220.6 bar).

Spec	Value	Source
Max travel speed	≈ 27.4 km/h	Published: 17 mph Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 27 km/h (121 hp powershift).
Rated / lift capacity	≈ 5,443 kg	Published: 12,000 lb Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 5,443 kg; 6,000 lb at max height, 3,500 lb at max reach.
Lift / hinge-pin height	≈ 17,145 mm	Published: 675 in Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Published as 56 ft 3 in (17.15 m).
Max forward reach	≈ 12,802 mm	Published: 504 in Genie GTH-1256 specifications, ANSI/CSA, North America (© 2026 Terex). Retrieved 2026-10-25 Published as 42 ft (12.80 m).

Compare side by side with JLG 1644 and JLG 1255