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Dimensions and SpeciƟcations with
Hi-Vis Coupler and Hook-On Bucket
644K Z-BAR / HIGH-LIFT / POWERLLEL
644K Z-BAR AND HIGH-LIFT LOADERS WITH QUICK-COUPLER
AND HOOK-ON BUCKET
644K POWERLLEL LOADER WITH QUICK-COUPLER
AND HOOK-ON BUCKET
Z-Bar High-Lift Powerllel
Dimensions with Bucket 3.1-m
3
(4.0 cu. yd.) general-purpose
with bolt-on edge
3.1-m
3
(4.0 cu. yd.) general-purpose
with bolt-on edge
3.1-m
3
(4.0 cu. yd.) general-purpose
with bolt-on edge
A Height to Top of Cab and Canopy 3.43 m (11 ft. 3 in.) 3.43 m (11 ft. 3 in.) 3.43 m (11 ft. 3 in.)
B Hood Height 2.53 m (8 ft. 4 in.) 2.53 m (8 ft. 4 in.) 2.53 m (8 ft. 4 in.)
C Ground Clearance 461 mm (18.1 in.) 461 mm (18.1 in.) 461 mm (18.1 in.)
D Length from Centerline to Front Axle 1.60 m (5 ft. 3 in.) 1.60 m (5 ft. 3 in.) 1.60 m (5 ft. 3 in.)
E Wheelbase 3.26 m (10 ft. 8 in.) 3.26 m (10 ft. 8 in.) 3.26 m (10 ft. 8 in.)
F Overall Length, Bucket on Ground 8.27 m (27 ft. 2 in.) 8.74 m (28 ft. 8 in.) 8.50 m (27 ft. 11 in.)
G Height to Hinge Pin, Fully Raised 4.12 m (13 ft. 6 in.) 4.54 m (14 ft. 11 in.) 4.12 m (13 ft. 6 in.)
H Dump Clearance, 45 deg., Full Height 2.79 m (9 ft. 2 in.) 3.11 m (10 ft. 2 in.) 2.79 m (9 ft. 2 in.)
I Reach, 45-deg. Dump, Full Height 1.16 m (3 ft. 10 in.) 1.28 m (4 ft. 2 in.) 1.20 m (3 ft. 11 in.)
J Reach, 45-deg. Dump, 2.13-m
(7 ft. 0 in.) Clearance
1.64 m (5 ft. 5 in.) 2.10 m (6 ft. 11 in.) 1.74 m (5 ft. 9 in.)
K Maximum Digging Depth 139 mm (5.0 in.) 226 mm (9.0 in.) 91 mm (3.6 in.)
L Maximum Rollback at Ground Level 42 deg. 42 deg. 41 deg.
M Maximum Rollback, Boom Fully
Raised
55 deg. 47 deg. 55 deg.
N Maximum Bucket Dump Angle,
Fully Raised
45 deg. 45 deg. 50 deg.
Loader Clearance Circle, Bucket Carry
Position
13.28 m (43 ft. 7 in.) 13.72 m (45 ft. 0 in.) 13.36 m (43 ft. 10 in.)
SpeciƟcations with Bucket
Capacity, Heaped 3.1 m
3
(4.0 cu. yd.) 3.1 m
3
(4.0 cu. yd.) 3.1 m
3
(4.0 cu. yd.)
Capacity, Struck 2.7 m
3
(3.6 cu. yd.) 2.7 m
3
(3.6 cu. yd.) 2.6 m
3
(3.5 cu. yd.)
Bucket Weight with Bolt-On
Cutting Edge
2124 kg (4,682 lb.) 2124 kg (4,682 lb.) 2085 kg (4,597 lb.)
Bucket Width 3.00 m (9 ft. 10 in.) 3.00 m (9 ft. 10 in.) 3.04 m (10 ft. 0 in.)
Breakout Force 13 664 kg (30,124 lb.) 12 242 kg (26,989 lb.) 12 029 kg (26,519 lb.)
Tipping Load, Straight 13 586 kg (29,952 lb.) 11 125 kg (24,527 lb.) 12 877 kg (28,388 lb.)
Tipping Load, 40-deg. Full Turn 11 682 kg (25,754 lb.) 9496 kg (20,934 lb.) 11 051 kg (24,364 lb.)
Rated Operating Load, 50% Full-
Turn Tipping Load (conforms to
ISO 14397-1)*
5841 kg (12,877 lb.) 4748 kg (10,468 lb.) 5526 kg (12,182 lb.)
Operating Weight 18 724 kg (41,279 lb.) 19 091 kg (42,088 lb.) 19 966 kg (44,017 lb.)
Loader operating information is based on machine with identiƟed linkage and standard equipment, PowerTech PVX 6090 (EPA Interim Tier 4/EU Stage IIIB) engine,
ROPS cab, rear cast bumper/counterweight, transmission side-frame guards, bottom guards, standard tires, full fuel tank, and 79-kg (175 lb.) operator. This infor-
mation is affected by changes in tires, ballast, and different attachments, and assumes no tire deƠection per the standard ISO 14397-1 section 5.
*Rated operating capacity based on Deere attachments only.
N
E
H
M
K
I
G
L
F
C
D
A
Cab and
Canopy
B
J
N
E
H
M
K
I
G
L
F
C
D
A
Cab and
Canopy
B
J