450 Backhoe Loader
The Cat® 450 Backhoe Loader delivers improved machine performance, a superior hydraulic system, improved operator controls and ergonomics, and overall versatility.
Specifications
Product Brochures
Attachments
Units:
Engine
Net Power - SAE J1349
131 hp
98 kW
Bore
4.13 in
105 mm
Stroke
5 in
127 mm
Displacement
268 in³
4.4 l
Ratings at 2,200 rpm - Gross Power ISO 14396
143 hp
106 kW
Net Power - 2,200 rpm - SAE J1349
68 hp
51 kW
Net Peak Power Rating - SAE J1349
134 hp
100 kW
Net Power Rating at 2,200 rpm - SAE J1349
131 hp
98 kW
Net Peak Power Rating - ISO 9249
134 hp
100 kW
Net Torque Rise - 1,200 rpm
88 %
88 %
Net Peak Power - 1,800 rpm - SAE J1349
72 hp
54 kW
Gross Power - SAE J1995
74 hp
55 kW
Net Peak Power - 1,800 rpm - ISO 9249
73 hp
54 kW
Rated Net Power - 2,200 rpm - ISO 9249
68 hp
51 kW
Net Peak Power - 1,800 rpm - EEC 80/1269
73 hp
54 kW
Rated Net Power - 2,200 rpm - EEC 80/1269
69 hp
51 kW
Ratings at 2,200 rpm - Gross Power SAE J1995
146 hp
109 kW
Net Torque Rise - 1,400 rpm - SAE J1349
400 ft·lbf
540 N·m
Gross Power - ISO 14396
74 hp
55 kW
Net Torque Rise - 1,400 rpm
29%
Power Rating Conditions - No De-Rating Required Up To
7500 ft
2286 m
Net Power Rating at 2,200 rpm - ISO 9249
131 hp
98 kW
Engine Model
C4.4 ACERT 106 kW (143 hp) Electronic – Turbo Intercooled
Weights
Operating Weight - Maximum
29321 lb
13300 kg
Cab - ROPS/FOPS
359 lb
163 kg
Air Conditioning
101 lb
46 kg
Front Counterweight - Counterweights - Option 2
530 lb
240 kg
Operating Weight - Estimated*
24039 lb
10904 kg
Backhoe Quick Coupler
+151 kg (+333 lb)
Note (5)
ED = Extreme Duty
Operating Weight - Maximum - ROPS Capacity
29321 lb
13300 kg
Note (1)
*Machine equipped with 15-19.5 12 ply front and 21L-24 16 ply rear, AWD, OROPS, 1.34 m³ (1.75 yd³) general purpose bucket with bolt-on cutting edge, standard stick, 610 mm (24"") heavy-duty backhoe bucket.
Cab, ROPS/FOPS
+243 kg (+536 lb)
Loader Bucket - 1.34 m³ (1.75 yd³) GP (Hook-On)
–150 kg (–331 lb)
MP Bucket (1.00 m3/1.31 yd3) - With Fold-Over Forks
2018 lb
915 kg
Loader Bucket - 1.34 m³ (1.75 yd³) MP ED (Hook-On)
+160 kg (+353 lb)
Note (4)
HD = Heavy Duty
Note (2)
GP = General Purpose
Counterweight
2147 lb
974 kg
Loader Bucket - 1.34 m³ (1.75 yd³) MP HD (Hook-On)
+85 kg (+187 lb)
MP Bucket (1.00 m3/1.31 yd3) - Without Fold-Over Forks
3622 lb
1642 kg
Loader Bucket - 1.34 m³ (1.75 yd³) MP ED (Pin-On)
+290 kg (+639 lb)
Loader Bucket - 1.34 m³ (1.75 yd³) MP HD (Pin-On)
+214 kg (+472 lb)
Loader Bucket - 1.53 m³ (2.0 yd³) GP (Pin-On)
+80 kg (+176 lb)
Front Counterweight - Counterweights - Option 1
255 lb
115 kg
Loader Bucket - 1.53 m³ (2.0 yd³) GP (Hook-On)
–73 kg (–162 lb)
Extendible Stick
+338 kg (+745 lb)
Loader Quick Coupler
+250 kg (+551 lb)
Note (3)
MP = Multi Purpose
Loader Bucket
Dig Depth - Standard
3 in
83 mm
Weights
Rear Counterweight
198 lb
90 kg
Front Counterweight - Counterweights - Option 3
1015 lb
460 kg
Hydraulic System
Pump Type
Variable Flow, Axial Piston
Transmission
Autoshift Transmission - Forward - 6th
25.2 mile/h
40.6 km/h
Autoshift Transmission - Reverse - 3rd
16.9 mile/h
27.2 km/h
Power Shuttle Transmission - Forward 3rd
13 mile/h
20 km/h
Autoshift Transmission - Reverse - 2nd
7.8 mile/h
12.5 km/h
Autoshift Transmission - Forward - 5th
16.9 mile/h
27.2 km/h
Power Shuttle Transmission - Reverse 4th
23 mile/h
36 km/h
Power Shuttle Transmission - Forward 1st
3.4 mile/h
5.4 km/h
Autoshift Transmission - Forward - 4th
12.3 mile/h
19.8 km/h
Power Shuttle Transmission - Reverse 2nd
5.5 mile/h
8.9 km/h
Hydraulic System
Pump Capacity at 2,200 rpm
58.1 gal/min
220 l/min
Transmission
Power Shuttle Transmission - Forward 2nd
5.5 mile/h
8.9 km/h
Hydraulic System
System Pressure - Loader
3800 psi
26200 kPa
Transmission
Power Shuttle Transmission - Reverse 3rd
13 mile/h
20 km/h
Power Shuttle Transmission - Reverse 1st
3.4 mile/h
5.4 km/h
Autoshift Transmission - Forward - 1st
3.7 mile/h
6 km/h
Hydraulic System
System Pressure - Hitch/Box Scraper
2973 psi
20500 kPa
Transmission
Autoshift Transmission - Forward - 2nd
6 mile/h
9.6 km/h
Autoshift Transmission - Reverse - 1st
3.7 mile/h
6 km/h
Autoshift Transmission - Forward - 3rd
7.8 mile/h
12.5 km/h
Power Shuttle Transmission - Forward 4th
23 mile/h
36 km/h
Hydraulic System
Type
Closed Center
Transmission
Note
Travel speeds of two wheel drive backhoe loader at full throttle, when equipped with 21×24 rear tires.
Hydraulic System
System Pressure - Backhoe
3800 psi
26200 kPa
Service Refill Capacities
Rear Axle (Center Housing)
5 gal (US)
19 l
Cooling System with Cab Heater
6 gal (US)
22.5 l
Cooling System with Air Conditioning
4.4 gal (US)
16.5 l
Front Axle (4WD)
2.9 gal (US)
11 l
Transmission (Autoshift) - AWD, Autoshift
4.8 gal (US)
18 l
Hydraulic Tank (Nominal)
14.3 gal (US)
54 l
Fuel Tank
42.3 gal (US)
160 l
Front Axle (Center Housing)
2.9 gal (US)
11 l
Planetaries
0.2 gal (US)
0.7 l
Diesel Exhaust Fluid (DEF)
5 gal (US)
19 l
Rear Axle - Planetaries
0.4 gal (US)
1.7 l
Front Axle (4WD) - Planetaries
0.2 gal (US)
0.7 l
Transmission - Power Shuttle - 2WD
4 gal (US)
15 l
Hydraulic System (Minimum)
34.4 gal (US)
130 l
Transmission - Power Shuttle - 4WD
4 gal (US)
15 l
Engine Oil - With Filter
2.3 gal (US)
8.8 l
Rear Axle
4.4 gal (US)
16.5 l
Hydraulic System
23.8 gal (US)
90 l
Steering
Stroke
9.29 in
236 mm
Rod Diameter
1.65 in
42 mm
Turning Circle (inner wheel not braked) - Outside Widest Loader Bucket
37.75 ft
11.5 m
Turning Circle (inner wheel not braked) - Outside Front Wheels
27.55 ft
8.396 m
Note
AWD cylinder, one (1) double-acting.
Bore
3.35 in
85 mm
Power Steering
Hydrostatic HMU
Type
Front Wheel
Axle Ratings
Rear Axle - Static
47756 lb
21662 kg
Rear Axle - Dynamic
19103 lb
8665 kg
Front Axle (4WD) - Dynamic
20233 lb
9186 kg
Front Axle (4WD) - Static
50582 lb
22964 kg
Front Axle, AWD - Static
50565 lb
22936 kg
Front Axle, AWD - Dynamic
20225 lb
9174 kg
Backhoe
Dig Depth - Standard
17 ft
5185 mm
Service Refill Capacities
Hydraulic Tank
10.6 gal (US)
40 l
Counterweights - Front - Minimum Recommendations
Standard Stick - MP Loader Bucket - 4WD
no counterweight
Steering
Turning Circle - (inner wheel not braked) - Outside Front Wheels
26.8 ft
8.18 m
Engine
Net Peak Torque SAE J1349
307 ft·lbf
416 N·m
Service Refill Capacities
Note
Requires ultra-low sulfur fuel less than or equal to 15 ppm fuel sulfur
Counterweights - Front - Minimum Recommendations
Standard Stick - GP Loader Bucket - 4WD
255 lb
116 kg
Steering
Turning Circle - (inner wheel not braked) - Outside Widest Loader Bucket
36 ft
10.97 m
Tires
Standard Configuration of Front/Rear Tires
Front: 12.5 80/16.9; Rear: 16.9-24
Engine
Emissions
Engine meets U.S. EPA Tier 4 Final emission standards.
Note
No derating required up to 2286 m (7,500 ft).
Steering
Axle Oscillation
11°
Standard Equipment
