The Cat® 434 Backhoe Loader provides a proven engine, improved operator comfort, greater lifting performance, an optional powershift transmission, an Excavator Style Boom, powerful and efficient hydraulics, three Power Management Modes, and Product Link™.
Engine
Engine - Standard Offering Tier 2 Equivalent
| Torque Rise (net) |
at 1,400 rpm |
| Net Power Rating at 2,200 rpm - ISO 9249 |
65 kW/88 hp |
| Stroke |
127 mm |
| Torque Rise (net) - SAE J1349 Net |
384 N·m |
| Note |
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator. |
| Power Rating Conditions - No De-Rating Required Up To |
2286 m |
| Net Power Rating at 2,200 rpm - SAE J1349 |
64 kW/87 hp |
| Bore |
105 mm |
| Displacement |
4.4 l |
| Ratings at 2,200 rpm - Gross Power ISO 14396 |
68 kW/93 hp |
| Engine |
3054C 68.5 kW Mechanical Turbo |
| Ratings at 2,200 rpm - Gross Power SAE J1995 |
69 kW/94 hp |
Engine - Optional Offering Tier 2 Equivalent
| Engine |
3054C 74.5 kW Mechanical Turbo |
| Net Power Rating at 2,200 rpm - ISO 9249 |
71 kW/96 hp |
| Displacement |
4.4 l |
| Stroke |
127 mm |
| Torque Rise (net) - SAE J1349 Net |
397 N·m |
| Note |
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator. |
| Power Rating Conditions - No De-Rating Required Up To |
2286 m |
| Ratings at 2,200 rpm - Gross Power SAE J1995 |
75 kW/102 hp |
| Ratings at 2,200 rpm - Gross Power ISO 14396 |
74 kW/101 hp |
| Torque Rise (net) |
at 1,400 rpm |
| Bore |
105 mm |
| Net Power Rating at 2,200 rpm - SAE J1349 |
70 kW/95 hp |
Engine - Optional Offering Tier 3 Equivalent
| Bore |
105 mm |
| Power Rating Conditions - No De-Rating Required Up To |
2286 m |
| Ratings at 2,200 rpm - Gross Power SAE J1995 |
76 kW/104 hp |
| Engine |
C4.4 74.5 kW Mechanical – Turbo Intercooled |
| Ratings at 2,200 rpm - Gross Power ISO 14396 |
75 kW/101 hp |
| Torque Rise (net) - SAE J1349 Net |
398 N·m |
| Torque Rise (net) |
at 1,400 rpm |
| Stroke |
127 mm |
| Note |
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator. |
| Net Power Rating at 2,200 rpm - ISO 9249 |
70 kW/95 hp |
| Displacement |
4.4 l |
| Net Power Rating at 2,200 rpm - SAE J1349 |
69 kW/94 hp |
Transmission - Power Shuttle Transmission (Standard)
| Forward - 4th |
36 km/h |
| Forward - 3rd |
21 km/h |
| Reverse - 1st |
6 km/h |
| Forward - 2nd |
9 km/h |
| Forward - 1st |
6 km/h |
| Reverse - 2nd |
9 km/h |
| Reverse - 4th |
36 km/h |
| Reverse - 3rd |
21 km/h |
Transmission - Powershift Transmission (Optional)
| Forward - 4th |
40 km/h |
| Forward - 2nd |
10 km/h |
| Reverse - 3rd |
27 km/h |
| Reverse - 2nd |
12 km/h |
| Forward - 3rd |
20 km/h |
| Reverse - 1st |
6 km/h |
| Forward - 1st |
6 km/h |
Transmission - Auto-Shift Transmission with Lock-Up Torque Converter (Optional)
| Forward - 5th |
27 km/h |
| Forward - 2nd |
10 km/h |
| Reverse - 2nd |
12 km/h |
| Reverse - 3rd |
27 km/h |
| Forward - 4th |
20 km/h |
| Forward - 3rd |
12 km/h |
| Forward - 1st |
6 km/h |
| Reverse - 1st |
6 km/h |
| Forward - 6th |
40 km/h |
Axle Ratings
| Rear Axle - Static |
22964 kg |
| Rear Axle - Dynamic |
9186 kg |
| Front Axle (AWD) - Dynamic |
9186 kg |
| Front Axle (AWD) - Static |
22964 kg |
Weights
| Operating Weight - Nominal |
9213 kg |
| Operating Weight - Maximum |
11500 kg |
| Operating Weight - ROPS Capacity - Maximum |
11500 kg |
| MP Bucket (1.15 m3/1.50 yd3) - Without Fold-Over Forks |
776 kg |
| Auto-Shift Transmission |
94 kg |
| Counterweights - Maximum |
115 kg |
| Extendible Stick - Excludes Front Counterweight |
203 kg |
| Counterweights - Base |
115 kg |
| Ride Control |
15 kg |
| MP Bucket (1.15 m3/1.50 yd3) - With Fold-Over Forks |
975 kg |
| Operating Weight |
9213 kg |
| Cab - ROPS/FOPS |
STD |
| Total Gross Weight Not to Exceed |
11500 kg |
| Note |
Machine Configuration – LRC 74.5 kW engine; standard stick hoe; standard cab with A/C; AWD standard shift transmission; 1.15 m³; MP loader bucket; 610 mm standard duty hoe bucket; 440/80R24 tires; no counterweight; 80 kg operator; full fuel tank. |
| Minimum Counterweight Recommendations - Standard Stick - Loader Bucket - Parallel Lift - MP |
0 kg |
| Minimum Counterweight Recommendations - Extendible Stick - Loader Bucket - Parallel Lift - MP |
0 kg |
| Minimum Counterweight Recommendations - Extendible Stick - Loader Bucket - Parallel Lift - GP |
0 kg |
| Minimum Counterweight Recommendations - Standard Stick - Loader Bucket - Parallel Lift - GP |
0 kg |
| Air Conditioning |
STD |
Hydraulic System
| System Pressure - Loader |
250 bar |
| System Pressure - Backhoe |
250 bar |
| Pump Type |
Variable-Flow, Axial Piston |
| Type |
Closed Center |
| Pump Capacity @ 2,200 rpm |
160 L/min |
Steering
| AWD Cylinder, One (1) Double Acting - Stroke |
117 mm |
| AWD Cylinder, One (1) Double Acting - Rod Diameter |
42 mm |
| AWD Cylinder, One (1) Double Acting - Bore |
85 mm |
| Power Steering |
Hydrostatic |
| Type |
Front Wheel |
| AWD Cylinder, one (1) Double-acting - Axle Oscillation |
±8° |
| Turning Circle (28" Tires) - AWD (inner wheel not braked) - Outside Widest Loader Bucket |
12.6 m |
| Turning Circle (28" Tires) - AWD (inner wheel not braked) - Outside Front Wheels |
9.8 m |
Service Refill Capacities
| Transmission - Power Shuttle - AWD |
18 l |
| Hydraulic Tank |
42 l |
| Diesel Exhaust Fluid |
19 l |
| Fuel Tank |
160 l |
| Engine Oil - With Filter |
9 l |
| Cooling System - A/C |
17.5 l |
| Hydraulic System |
95 l |
| Rear Axle |
16 l |
| Rear Axle - Planetaries |
1.7 l |
| Transmission (Powershift) - AWD |
19 l |
| Front Axle |
14 l |
| Front Axle - Planetaries |
1.7 l |
Transmission
| Note |
Travel speeds of backhoe loader at full throttle, when equipped with 440/80-28 rear tires. |
